popsweethhetl
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A store mixes Kentucky bluegrass worth $12 per pound and chewings fescue worth $15 per pound. The mixture is to sell for $13 per pound. Find how much of each should be used to make a 228 pound mixture. . How many pounds of the Kentucky bluegrass should be used? . How many pounds of chewings fescue should be used?

Respuesta :

The solution for the problem is as follows:

((12x + 15y)/228) = 13 
x + y =228 

x = kentucky bluegrass 
y = chewings fescue 

By systems of linear equations, the answers would be:

x = 152
y = 76

Therefore, there should be 152 pounds of Kentucky bluegrass to be used and 76 pounds of chewings fescue.

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