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Mathematics, 08.10.2019 21:00 mawawakaiii

Kim and kelly are saving for new roller skates. so far kim has saved $70 saved and can earn $5 per hour babysitting. kelly has $30 saved and can earn $7 per hour at her family's restaurant. after how many hours will kim and kelly have the same amount saved? what will that amount be?

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Kim and kelly are saving for new roller skates. so far kim has saved $70 saved and can earn $5 per h...
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