SOLUTION: one day a store so,d 20 sweatshirts. White ones cost $10.95 and yellow ones cost $13.50. In all $257.25 worth of sweatshirts were sold. how many of each color were sold?

Question 736821: one day a store so,d 20 sweatshirts. White ones cost $10.95 and yellow ones cost $13.50. In all $257.25 worth of sweatshirts were sold. how many of each color were sold?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
w+y=20 y=20-w
10.95w+13.50y=257.25
10.95w+13.50(20-w)=257.25
10.95w+270-13.50w=257.25
10.95w-13.50w=257.25-270
-2.55w=-12.75
w=-12.75/-2.55
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w=5 white
y=20-5
y=15 yellow
---------------
5*10.95=54.75
15*13.50=202.50
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