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# Fractions and Percentages

### MiniMax and Decision Tree Payoff Questions

For the attached problem, I need help with c, d, and e. For a) I get Decision B For b) I get Decision C The answers for c, d, and e were shown in class to be as follows, but I need to see how they were obtained: c) Decision A d) EV(A)= 695 (best) EV(B)= 385 EV(C)= 500 e) EVPI=230 Please show m

### MiniMax and Decision Tree Payoff Questions

I have 3 individual questions related to a class lecture that we had on Payoff Alternatives and Regret. These questions should be VERY simple, and probably take less than 2 minutes to answer. 1. Is it true that the payoff at the end of a decision tree represents everything along the path leading to that end? 2. Are the s

### Finding Percentages

How do I go about finding 10% of a number, any number. For example, What is ten percent of 1,648?

### Addition and Substraction of Fractions

This is for OTA #101733 only! 1. Find the LCM of 16 and 40. ____a. 40 __x_b. 80 ____c. 120 ____d. 640 2. Add and Simplify: 4/5+3/4 ____a. 7/20 ____b. 7/9 _x__c. 31/20 ____d. 17/9 3. Subtract and simplify: 8/15-2/9 _x__a. 2/45 ____b. 16/135 ____c. 40/135 ____d. 14/45 4. Whic

### Addition and Substraction of Fractions

This is for OTA #101733 only? 1. Find the LCM of 16 and 40. ____a. 40 __x_b. 80 ____c. 120 ____d. 640 2. Add and Simplify: 4/5+3/4 ____a. 7/20 ____b. 7/9 _x__c. 31/20 ____d. 17/9 3. Subtract and simplify: 8/15-2/9 _x__a. 2/45 ____b. 16/135 ____c. 40/135 ____d. 14/45 4. Which of the follow

### Simplyfying complex rational expressions.

Can someone explain how to simplify a complex rational expression?

### Imaginary ( Complex ) Numbers, Discriminants and Real World Applications

1. When solving a quadratic equation using the quadratic formula, it is possible for the b2 - 4ac term inside the square root (the discriminant) to be negative, thus forcing us to take the square root of a negative number. The solutions to the equation will then be complex numbers (i.e., involve the imaginary unit i). Question

### Ratios and Equal Ratios

How do we use ratios and of what value is it? How would I figure out equal ratios? Give examples. Thanks

### Spot Rates Calculated

How would I calculate the 1 yr forward rates over the next 3 years for spot rates of Yr 1 .050 Yr 2 .054 Yr 3 .059 Yr 4 .066 I just need the formulas, not the answers.

### Key Metrics and Ratios for Abercrombie and Fitch Company

Using Abercrombie and Fitch Company (data attached): You are interested in learning moe about from an investment standpoint. Identify KEY METRICS and RATIOS of the company that will give a good indication of how "investment worthy" it is. 1) List the key financial metrics and ratios for Abercrombie and Fitch for that comp

### Basic Business Statistics : Frequency Distributions and Percentages (7 Problems)

19. The data displayed below represent monthly phone bills for a random sample of small business customers. 208 133 165 179 258 212 178 178 209 212 150 198 137 258 277 145 234 176 209 220 209 160 151 279 177 199 212 188 162 125 221 147 215 245 198 245 275 180 203 226 Which of the following would be the most appropriate

### Percentage Final Price Paid

Given a sales tax rate and the final price paid, how do I determine how much of the final price was the tax? For example, if I spent \$15.83, how much of that was the sales tax whose rate is 8%?

### Interpret the Data Given - Women in the Army

See the attached file. Given the information below (and attached), please determine: Are women being denied the opportunity to join the Army because they are too short or too tall? If the required women's height for the Army is between 58 and 80 inches. The Mean = 63.3, and the SD = 2.5 What percentage of women meet

### Key Financial Ratios that Measure Stability of a Company: How investors assess the stability of a public company? What are the key financial ratios that measure the stability of an organization? Define stability. Calculate these ratios per the attached file using Excel spreadsheet.

How investors assess the stability of a public company? What are the key financial ratios that measure the stability of an organization? Define stability. Calculate these ratios per the attached file using Excel spreadsheet. File attached for a analysis of financial ratios for the company. Balance Sheet as of December

### Solution Concentrations : Percentages and Amount of Concentrate Needed

I am doing an embalming course and need to work out percentages , e.g of question. A container will hold 1 ltr, you will need the following solutions for different purposes, how much concentrate will you need in each case. 2% solution 1 in 20 solution 4 in 50 solution a 5.5 solution 1 in 3.5 solution. Can you show m

### Percentages in Tennis Solved

If 40% of members of a club play tennis and there are 20 tennis players, how many club members are there?

### Cube with a Sphere Inside: Percentage of Empty Space

A sphere fits exactly inside of a cubical box. (The sphere is tangent to all six faces of the cube). The remaining space inside of the box is filled with coke. What percentage of the box is filled with coke?

### Exchange Rates in Other Quotation Format

You have the following exchange rates available: FF 5.8860 per US \$ GM 1.7558 per US\$ US\$ 1.6327 per British Pound(BP) a) Determine the above rates in other quotation format (i.e. if above rates are quoted indirectly,calculate direct quotation,and vice versa) Please provide your answer in proper manner ( i.e. XX per YY).

### Reduction of Mail Float: Net Savings

Pronet has annual sales of \$724 million from its 600 retail stores. Pronet can reduce its mail float by 2 days through the use of wire transfers. The annual cost of the wire transfers is expected to be \$105,610. If Pronet's cost of short-term funds is 9.75 percent, should the change to wire transfers be made? Assuming 365 days p

### Percentage calculation with negative and positive numbers.

I need to know the answer and formula for the following in 2003 the store had a negative sale day of -\$873 in 2004 the same store had a positive result of \$2680 What is the percent of increase from the negative to the positve?

### Prove that positive real numbers correspond bijectively.

Please see the attached file for the fully formatted problems. Here is the problem: Prove that positive real numbers correspond bijectively to decimal expansions not terminating in an infinite string of 9's as follows. The decimal expansion of is where N is the largest integer smaller than is the largest integer is th

### Simple ratio problem

If there are 74 nests containing 11 eggs each and 9 nests containing 14 eggs each what would be the ratio of this expressed in the form of 1:x, where x is the number expressed to one decimal place. I know the basics : 9:74 but not sure what to do after that.

### Percents Example Problem

You take a job that pays \$25,000 annually. (a) How much do you earn n years from now if you receive a three percent raise each year? (b) How much do you earn n years from now if you receive a five percent raise each year? (c) How much do you earn n years from now if each year you receive a raise of \$1000 plus two percen

### Partial Fractions Decomposition

What are the partial fraction decompositions: See attachment for details What are the values of: See attachment for details (residual calculation, results and values) Please see the attachment for full questions and details

### Decimal Eliminating Equation

Solve the equation first eliminating the decimal numbers 0.05y + 0.03(y + 50) = 17.5

### Find the interest

Find the interest earned at the end of the first year on 8,400.00 invested at 4% interest

### Percent Body Fat

The formula used to calculate the percentage of body fat for men is %body fat = (-98.42+4.15w-0.082b)/b where w is the waist measurement in inches and "b" is the total body weight in pounds. What is the body fat for a man weighing 156 pounds and waist measurement 32 inches. Round to the nearest integer.

### COLA Adjustment effect on Salary

Alan's annual salary is \$20,040. Next month he will receive a 5.5% cost of living adjustment and a 4% merit increase. What will be his new annual salary? a.\$22,338 b.\$21,943.80 c.\$23,263.00 d.\$21,22.00 e.not given

### Finance : Percentage Samples

A technician checked a sample of a 160 portable radios. She found 7 of the radios defective. If more than 5% of the sample is defective, the process is out of control. What is the exact percent of the sample that is defective? a.4% b.3.98% c.5.76% d.4.23% e.not given

### Mathematical Modelling Constant Equations

Please see the attached file for the fully formatted problems. A long, thin rod is clamped at its lower end and a mass M is attached to its upper end. The coordinates (x,y) of any point on it satisfy the equation. where E, I and a are constants. Given that x = 0 when y = 0 and x = a when y = L show that where H