Carly needs $149 to buy a skateboard. She already has $52. She earns money washing cars for $20 a car.
Carly says that if she washes 5 cars she will have enough money to buy the skateboard.
Is Carly correct? Use the drop-down menus to explain.


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; If Carly washes 5 cars, she will have a total of
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. This is
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then the cost of the skateboard, so she
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have enough money.