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21 January, 16:44

The rainfall total this year was 10.2 inches, which is 20% less than last year's rainfall total. What was last year's rainfall total?

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  1. 21 January, 17:02
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    Answer: 12.75 inches

    Step-by-step explanation:

    Let x represent last year's rainfall.

    Multiply by 0.8 since this year was 20% less.

    x (0.8) = 10.2

    x = 12.75
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