3 years ago

What is 12.8% of 312.5

2 answers:

6 0

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

kirill115 [55]3 years ago

3 0

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

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