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14 November, 06:50

Rainfall for January in Fiji averages 12" according to World Travel Guide. This year it rained 5% less. How many inches did it rain this year?

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  1. 14 November, 10:50
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    Answer: 11.4"

    Explanation: Rainfall for Fiji averages 12"

    Let us assume that this is 100%. At 5% less, it rained 95% (that is 100% - 5%) this year.

    95% (or 0.95) X 12'' = 11.4"

    You can also calculate 5% of 12" and then subtract the value from 12"

    It rained 5% less, that is 5% X 12" or 0.05 X 12" = 0.6"

    12" - 0.6" = 11.4"

    Therefore, it rained 11.4" this January. This is 5% less than the usual average of 12" of rainfall that Fiji gets in January.
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