If 28% of a sum is $100.80, what is the sum?
how can i do this
Change 28% to a decimal. Let x = the sum.
0.28x = 100.8
x = 100.8/0.28
x = ?
i got the answer it's D thanks
how did you figure out which operation to use.
I thought -- 28% of what is 100.80? -- and then put it in algebraic terms.