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22-11-2016
Mathematics

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Tricia receives a $5 allowance every week. She also earns $6.50 for every hour that she baby-sits. Next week, she wants to earn at least $21.25 to buy a present. How many hours will she need to baby-sit?

Please help!

Respuesta :

Cupcake7478 Cupcake7478

22-11-2016

21.25-5=16.25
16.25÷6.50=2.5

She will have to babysit 2.5 hours

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