Asked by k

If 28% of a sum is $100.80, what is the sum?

A. $129.02
B. $277.78

C. $282.24

D. $360.00
how can i do this
Answered by Ms. Sue
Change 28% to a decimal. Let x = the sum.

0.28x = 100.8
x = 100.8/0.28
x = ?
Answered by k
i got the answer it's D thanks
how did you figure out which operation to use.
Answered by Ms. Sue
I thought -- 28% of what is 100.80? -- and then put it in algebraic terms.
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