2 Mathematics of Investment

Score:

TEST I:

Convert the following

A. Percent to decimal

1. 2. 3. 4. 5. 6. 7. 8. 9. 10.

17. 31% 12.5% 95% 0.0125% 11% 87.5% 45% 0.0625% 25% .0999%

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B. Percent to fraction

11. 12. 13. 14.

36% 70% 12% 110%

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TEST II.

Find the Percent, Rate, and Base

A. Percent

1. 10% of 20 ________ 2. 20% of 45 ________ 3. 5% of 200 ________ 4. 10% of 60 ________ 5. 25% of 8 ________ 6. 10% of 50 ________ 7. 5% of 60 ________ 8. 25% of 96 ________ 9. 16% of 75 ________ 10. 15% of 120 ________ 11. 5% of ₱20   12. 17% of 700 cm 13. 25% of 32 chocolates 14. 48% of 55 gallons of milk 15. 20% of 30 inches of cloth

TEST III. 1.

Solve the following problems

If the ratio of peso to U.S. dollar is ₱52 to $1, how many dollars represents ₱6,864?

2.

If 1 liter of gas costs ₱48 .80, how many liters of gas can be purchased for ₱334.65?

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3.

If 2 kg of coffee costs ₱165.50, how much will 17.5 kg of coffee cost?

C. Decimal to percent

15. 16. 17. 18. 19. 20.

0.13 0.85 0.07 0.875 0.09 0.75

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B. Rate

1. 2. 3. 4. 5.

30 is what percent of 60? 1/2 is what percent of 1/8? 5 is what percent of 65? 11 is what percent of 15? 15 is what percent of 100?

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4.

The ratio ratio of the length length of a rectangle to its width is is 3 to 5. What is the length of the rectangle if its width is 75 cm?

D. Fraction to percent

21. 35/100 22. 12/20 23. 9/25 24. 3/8 Page 25. | 196/100

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C. Base

1. 2. 3. 4. 5.

0.50 is 5% of what number? ________ 30 is 10% of what number? ________ 75 is 4% of what number? ________ 93 is 23% of what number? ________ 100 is 8% of what number? __

5.

A recipe recipe calls for 1/4 cup barley barley to prepare soup for 5 people. How much barley is needed to serve 18 people?