Engineering, 06.09.2019 01:10 gloverj9639
6. at a construction site, cement, sand, and gravel are used to make concrete. the ratio of cement to sand to gravel is 1 to 2.4 to 3.6. if a 150-lb bag of sand is used, how much cement and gravel must be used?
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6. at a construction site, cement, sand, and gravel are used to make concrete. the ratio of cement t...
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