Practice: Math 8 Test # 1
At this rate, how much will he earn if he babysits for 7 hours? Explain your reasoning. Solution. He will earn $57.75 in 7 hours. 33÷4=8.25, so the hourly rate is $8.25. If he earns $8.25 every hour, he will earn 8.25⋅7 or $57.75. Problem 3. The cost of 5 cans of dog food is $4.35. At this price, how much do 11 cans of dog food cost? ................
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