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Mathematics, 03.12.2020 18:00 arwen28

The expression 15r + 15w gives the total time Mario spends exercising. The variables r and w give the number of minutes spent per day running and walking, respectively. Which expression could also be used to find the total time Mario spends exercising ?

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The expression 15r + 15w gives the total time Mario spends exercising. The variables r and w give th...
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