What is 12.8% of 312.5

What is 12.8 of 312.5 class=

Verified Answer :

312.5/x=100/12.8
(312.5/x)x=(100/12.8)x     
312.5=7.8125*x       
312.5/7.8125=x 
40=x 
x=40

40
all you have to do is multiply 312.5 • 0.128
you have to make 12.8% a decimal so you move your decimal two places to the left = 0.128