Jadelis Jadelis

21-08-2018
Mathematics

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If it takes 45 minutes to load 4 1/2 trucks how many minutes will it take to load 7 1/2 trucks

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Аноним Аноним

21-08-2018

by proportion the answer is 45 * 7 1/2 / 4 1/2

= 45 * 15/.2 * 2/9

= 75 minutes

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