Math Word Problems Demystified - A Self Teaching Guide

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1. Find 65% of 50.


2. What percent of 40 is 25?


3. 18 is 30% of what number?


4. What percent of 25 is 15?


5. 15 is 75% of what number?


6. Find 90% of 72.


7. 25 is what percent of 40?


8. What percent of 50 is 40?


9. Find 35% of 70.


10. 12 is what percent of 20?

SOLUTIONS:

1 : P ¼RB

¼ 65 % 50

¼ 0 : 65  50

¼ 32 : 5

2 : R¼

P

B

¼

25

40

¼ 0 : 625 ¼ 62 : 5 %

3 : B¼

18

30 %

¼

18

0 : 30

¼ 60

REFRESHER III Percents 41