Rob is saving to buy a new mp3 player. for every $14 he earns babysitting, he saves $7. on saturday, rob earned $42 babysitting. how much money did he save?

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asked Apr 4, 2018 215k views

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Rob is saving to buy a new mp3 player. for every $14 he earns babysitting, he saves $7. on saturday, rob earned $42 babysitting. how much money did he save?

Mathematics
high-school

David Graf asked

by David Graf

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$42 / $14 = 3 (ratio 3:1)
$7 x 3 = $21

Bayo answered Apr 11, 2018

by Bayo

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