2 Answers

Feklee · Answer 1 · 2017-01-07T23:45:18+0000

15% is equivalent to the fraction 3/20 so you must divide 140 by 20 then multiply by 3 to get the final answer of 21 students. Hope this helps :D

Michael Shmalko · Answer 2 · 2017-01-11T21:40:01+0000

We have an equation: ?/140= 15/100

Cross multiply:
100*?= 15*140
⇒ ?= 15*140/100= 21

21 students earn the Presidential Physical Fitness Award~

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