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2 votes
Sam finished 20 problems. He finished 8 at school and 4 per hour at home.
Whats the equation?

User Emdad
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1 Answer

4 votes
8 + 4x = 20

He already did 8

He does them at a rate of 4 per hour

20-8= 12

12/4 =3

He did 3 problems per hour
User Mattygabe
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7.1k points