Mathematics, 26.08.2019 23:00 Madisonaubrey22

Joan needed $100 to buy a graphing calculator for her math class. her neighbor will pay her $5 per hour to babysit and her dad gave her $10 for mowing the lawn. what is the minimum amount of hours she will need to babysit in order for her to buy her calculator?

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Joan needed $100 to buy a graphing calculator for her math class. her neighbor will pay her $5 per h...