nburgo16 nburgo16
  • 24-03-2017
  • Mathematics
contestada

What was the original price if after increase by 30% it becomes $520?

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apologiabiology
apologiabiology apologiabiology
  • 24-03-2017
100+30=130
130%=520
divide both sides by 13
10%=40
times 10 both sides
100%=400

original price is $400
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