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  • 11-08-2018
  • Mathematics
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in a mixture of concrete, there are four lbs of cement mix for each pound of gravel. if the mixture contains a total of 130 lb of these two ingredients, how many pounds of gravel are there?

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Аноним Аноним
  • 11-08-2018

The proportion of gravel in the mixture is 1 / (4 + 1) = 1/5.

So in 130 lbs of mixture there is 1/5 * 130 = 26 lbs of gravel ( answer).

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