1 mathematics of investment
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8/10/2019 1 Mathematics of Investment
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TEST IV: Solve the following problems.
1. A 1,599 shirt was on sale for 30% off. Hwas the discount price?
2. A 45,000 television was on sale for 50% coupon took another 500.00 off. How mthe television at the register?
3. Marcia went shopping for new school clothfound a purple sweater on sale for 25% oforiginal price was 350, how much was thsweater's sale price?
4. 120 pupils took a test, 30% of them failed.many of them passed the test?
5. In a survey of 34,800 tourists, 83% enjoy sHow many of them do not enjoy shopping?
TEST I: Convert the following
A. Percent to decimal1. 3% ________
2. 14% ________
3. 50% ________
4. 6.6% ________
5. 265.34 ________
B. Percent to fraction6. 11% ________
7. 18% ________
8. 50% ________
9. 2.3% ________
10. 8.55% ________
C. Decimal to percent11. 3.5 ________12. 6.23 ________13. 5634.245 ________14. 76.34 ________15. 7.3 ________
D. Fraction to percent16. 2/5 ________17. 11/10 ________18. 1 3/4 ________19. 23/20 ________20. 12 1/16 ________
TEST II. Find the Percent, Rate, and Base
A. Percent1. 5% of 20 ________
2. 8% of 50 ________
3. 16% of 75 ________
4. 15% of 20 ________
5. 20% of 95 ________
Score:
B. Rate
6. 27 is what percent of 48? ________
7. 1/6 is what percent of 3/3? ________8. 3/8 is what percent of 3/4? ________
9. 10 is what percent of 12? ________
10. 15 is what percent of 120? ________
C. Base
11. 6 is 75% of what number? ________
12. 49 is 87 1/2% of what number? ________
13. 12 is 4% of what number? ________
14. 7 is 70% of what number? ________
15. 0.24is 3% of what number? ________
TEST III. Complete the table below using yourknowledge of fractions, decimal andpercent conversions.
Fraction Decimal Percent
1. 4/5 0.80
2. 0.375 37.5%
3. 11/20 55%
4. 7/8
5. 0.72
6. 13/20
7. 0.9758. 110%
9. 105/100
10. 0.0046
11. 112%
12. 35/20
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