7th grade percent increase or decreace

User Generated

fhcrezna_1974

Mathematics

Description

The rainfall total two years ago was 10.2 inches. Last year's total was 20% greater. What was last year's rainfall total?

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Explanation & Answer

Let the last year rainfall is x

x= 10.2 + 20% of 10.2

  = 10.2 + 20/100*10.2

 = 10.2 + 2.04

 = 12.24 inches


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