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  • 14-12-2019
  • Mathematics
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Suppose you have a job teaching swimming lessons and get paid $9 an hour.
You also have a job as a cashier and get paid $7 an hour. If you cannot work
more than 20 hours a week, what are the number of hours you can work at
each job and still make at least $160?

Respuesta :

toasterbox
toasterbox toasterbox
  • 14-12-2019

Answer: 10 hours

9*10+7*10= 160

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