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15 October, 18:44

Timothy bought concrete mix for several projects. He used

3.5 bags of concrete mix for a new set of stairs and 2.25 bags

of concrete mix for a garden wall. Timothy mixed

345 pounds of concrete in all.

a. Model with Math Write an equation that can be

represented by the bar diagram.

b. Solve for y. How many pounds of concrete does each bag make?

+5
Answers (1)
  1. 15 October, 21:07
    0
    3.5y+2.25y=345

    5.75y=345

    60

    Each bag makes 60 lbs of concrete
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