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. How many hours did she work at the grocery store? A) 10 hours B) 13 hours C) 15 hours D) 18 hours

The answer is D 15 hours

Step-by-step explanation: Ok so in the problem it says that Mallory babysat for 6 hours. And she gets payed $10 for every hour. So multiply 10 by 6. You then get $60. Now its says in total from the jobs she got $180. So the next thing you do is to take 180-60 and you get 120. Next divide 120 by 8 and you get 15. The 15 represents how many hours she spent at the grocery store.

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step-by-step explanation:

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.