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# Consumer Mathematics

### Linear equations: Word problem. Bill owns a bike company, and wants to know how many bicycles and tricycles he should manufacture, with no leftovers, and how many boxes of seats he will order. (details given in actual problem)

Bill runs Bill's Big Bikes, a company that manufactures bicycles and specialty adult-sized tricycles. The bicycles and tricycles use the same-sized wheels and identical seats. Right now, Bill has 68 wheels in the shop and needs to order seats. Unfortunately, the company that supplies the seats will only ship seats in boxes of

### Equations with fractions

Solve for x: x/(x^2-4)+1/(x+2)=3

### Working with metric conversions: Drug dosage

A client has an order for a foot soak prepared with 25% povidine iodine and the total volume of preparation is to be 1 liter. How many mls of povidine/iodine should be used?

### Writing fractions with the same denominator

Write (x+4)/(x^2-3x-10) and 2x/(25-x^2) with the same denominator.

### Fraction addition with different denominators.

Sheila has 25/72 ounces of gold. Bill has 7/30 ounces of gold. How much must Kelly have so that they have a combined 1 full ounce of gold?

### Calculating price based on a consumer price index.

The consumer price index for a new car in 1990 was 110.2, and in 1995 it was 136.5. If the price of the car was \$12,880 in 1990, what was the price in 1995? a. \$15,362 b. \$15,954 c. \$16,060 d. \$16,267

### Simulating Real Plant Growth

Assuming that plant grows in 8 steps at the 0.45 rate and that the first stem lenght is 20mm - This is what I have so far: 1/ I made a table showing the length of the plant's stem at the end of each step. 2/ I made a graph of the values in the table 3/ I, of course, wrote a formula representing the growth for each step: new

### Fractions differences in algebra

Context:It would normally follow on from work on sequences and fractions. Question: Ruth was investigating fraction differences. She wrote down this sequence of fractions: 1/1, 1/2, 1/3, 1/4, 1,5 1,6 .. .. Then she worked out the difference between the consecutive fractions: 1/2, 1/6, 1/12, 1/20, 1/30, .. .. She Then worked o

### Fraction Word Problem Printing Business

Sam and Mary each owned one-half of the stock in a printing company. Sam sold two-thirds of his stock to Mary. What fractional part of the printing business does Mary now own?

### Ratios and proportions..

What are ratios and proportions?