SOLUTION: Allen bought 20 stamps at the post office in 37 cents and 20 cents denominations. If the total cost of the stamps was $7.06, how many 37 cent stamps did Allen buy?

SOLUTION: Allen bought 20 stamps at the post office in 37 cents and 20 cents denominations. If the total cost of the stamps was $7.06, how many 37 cent stamps did Allen buy?

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Question 110272: Allen bought 20 stamps at the post office in 37 cents and 20 cents denominations. If the total cost of the stamps was $7.06, how many 37 cent stamps did Allen buy?

Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
let x="37 cent stamps", so 20-x="20 cent stamps"

37(x)+20(20-x)=706 ... 37x+400-20x=706 ... 17x=306
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