SOLUTION: a contractor mixes concrete from bags of premix for small jobs. How many bags with 6% cement should he mix with 4 bags of 9.5% to produce a mix containing 7% cement
A) 12 bags B)
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A) 12 bags B)
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Question 1141137: a contractor mixes concrete from bags of premix for small jobs. How many bags with 6% cement should he mix with 4 bags of 9.5% to produce a mix containing 7% cement
A) 12 bags B) 10 bags C) 19 bags D) 14 bags Found 2 solutions by Alan3354, josgarithmetic:Answer by Alan3354(69443) (Show Source):
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