How many hours did she work at the grocery store?

label Algebra
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Mallory makes $10 per hour babysitting and $8 per hour working at the local grocery store. Last week she babysat for 6 hours. Her total gross earnings for both jobs was $180.

Apr 7th, 2015

6*10=60  180-60= 120   120/8=15hrs

(8*15)+(6*10)=180

Apr 7th, 2015

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Apr 7th, 2015
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Apr 7th, 2015
Oct 22nd, 2017
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