Question:

Joan needed $100 to buy a graphing calculator for her math

Last updated: 7/19/2022

Joan needed $100 to buy a graphing calculator for her math

Joan needed $100 to buy a graphing calculator for her math class. Her neighbor will pay her $5 per hour to babysit and her Father 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?