Share
Explore BrainMass

# basic operations of fractions and negative numbers

Algebra mathmatics simple problems:
I need help in completing the following exercises. I need to use the Equation Editor in Microsoft® Word to do these problems, then submit a Word document, showing the work and answers. (first 20 are multiple choice)
See attached file for full description.

1. Write the word name for the following: 4,807

2. Evaluate, write the answer in lowest terms: 8/15 - 4/15 + 1/15

3. Find the best buy on pasta sauce (1 qt is 32 oz).

4. Find the first and third quartiles, Q1 and Q3, of the following set of numbers.
0.16, 0.08, 0.27, 0.20, 0.22, 0.32, 0.25, 0.18, 0.28, 0.27

5. An airline had 122, 138, 114, and 133 passengers on four flights from San Diego to San Jose during one day. What was the total number of passengers?

6. Perform the indicated operations.

7. Solve for the unknown: 4/x = 16 / 36

8. Place the following set of numbers in ascending order

9. Cameron's frequent-flyer program requires 50,000 miles (mi) for a free domestic flight. During the past year, he accumulated 27,350 miles. During this year, he took three more flights of 2,900, 1,475, and 4,300 mi. How much farther must he fly for his free trip?

10. Estimate the following product.

11. Rewrite the statement, using percent notation. 13 out of 25 college students work at part-time jobs.

13. Write 8 * 8 * 8 * 8 * 8 * 8 * 8 as a power of 8.

14. Complete the following statement, using the symbol <, =, or >. 3.671 and 3.67

15. Estimate: What is 58.9% of 1,400?

16. Multiply (-7.5)(9)(-7)

17. Identify the numerator and denominator of the fraction: 2/3

18. Jacque earns \$8.60 per hour (h). For overtime (each hour over 40 h) he earns \$12.90 per h. If he works 55.5 h in a week, what pay should he receive?

19. Is the object a line or a line segment?

20. Perform the indicated operation: (11 -6)/ (7 - 7)

Next and last problems I need help with are #'s 1-15

1. A storage bin is 16 ft long, 8 ft wide, and 2 ft high. What is its volume in cubic feet?

2. The interest rate on a mortgage was % last year. This year the interest rate is %. How many percentage points has the interest rate increased?

3. Is the rate 1.2 inches of rain/ 5 hours equivalent to the rate 2.1 inches of rain / 8 hours?

5. Evaluate 155 / (3^3 + 4)

6. Write the following as a common fraction or mixed number. Write your answer in lowest terms. 0.26

7. Write the ratio of 4(1/3) to 6 in simplest form.

8. The table below gives the median household income by race and Hispanic origin of householder according to the 2000 census. Create a bar graph from this information.

12. Use the world population and land area table. Round the answer to the nearest tenth. What was the population per square mile in Oceana in 1950?

13. Evaluate 198 ft/s * 1 yd/3 ft * 60 s/min. Be sure to use the proper units.

14. Find the area of the figure.
15. Label the triangle as equilateral, isosceles, or scalene.

#### Solution Summary

The solution is comprised of detailed explanations to basic operations of fractions and negative numbers.

\$2.19