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1. Joanna is saving up for a new car. Her parents said that once she has $1000 saved up, they would help her

buy the car. Joanna has saved $300 in her bank account and $100 from her birthday money. She started

babysitting earning $10 per hour. How many hours of babysitting will she need to complete, so that her

parents will help buy her car.

1 Answer

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Answer:

60 hours

Explanation:

We want Joanna's total savings to be ...

bank account + gift + earnings = 1000

300 +100 +10h = 1000

10h = 600 . . . . subtract 400

h = 60 . . . . . . . .divide by 10

Joanna needs to babysit for 60 hours to earn the money she needs.

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