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If 3 sacks of concrete will make 12 square feet of sidewalk, predict how many sacks of concrete are needed to make 40 square feet of sidewalk.
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If 3 sacks of concrete will make 12 square feet of sidewalk, predict how many sacks of concrete are needed to make 40 square feet of sidewalk.

User RyanJohnstone
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Answer: 10 sacks are needed to make 40 square feet of concrete.

Step-by-step explanation: Hope this helps :)

User Andrhamm
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