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shepuryov [24]
3 years ago
13

Grace earns $7 for each car she washes. She always saves $21 of her weekly earnings. This week, she

Mathematics
1 answer:
Ugo [173]3 years ago
6 0

Answer: 13

Step-by-step explanation:

66\geq 7x-21

add 21 both sides

87\geq 7x

divide both sides by 7

12.4\geq x

So more than 13 cars

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3 years ago
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3 0
3 years ago
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