aaronmontillano aaronmontillano

07-11-2016
Mathematics

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You collect a total of $160 in donations from three people. The three donations are in the ratio 5 : 5 : 10.

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07-11-2016

5 + 5 + 10 = 20
x + y + z = 160

5 × 80 : 5 × 80 : 10 × 80
400 : 400 : 800

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