math 8th grade
posted by joe .
find 72% of 200 and i need to show work

Create two fractions. 72/100 = ?/200 Then, cross multiply, which is multiplying 200 by 72, then dividing by 100. Then, you'll get your answer.

72/100=x/200
**cross mulitply:
100x=72*200
100x=14400
x=14400/100
x=144
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Or just multiply .72 by 200
.72*200=144 
144

find a tenth of threequarters of $800