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Marilyn earns $150 per month delivering newspapers plus $7 an hour babysitting. If she wants to earn at least $300 this month, how many hours will she have to babysit?

Respuesta :

300-150=150 so 150 divided by 7= at lease 42 hours
Marilyn needs to babysit 43 hours. Because if it was 42 hours she will be needing $6 more and if she babysits one more hour but take away $1

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