SOLUTION: Monse bought a new skirt and a pair of high heels. The shoes cost 3 times as much as the skirt. She paid for the items with two $100 bills, and received $80 in change. How much did
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Question 525388: Monse bought a new skirt and a pair of high heels. The shoes cost 3 times as much as the skirt. She paid for the items with two $100 bills, and received $80 in change. How much did the shoes cost? Answer by oberobic(2304) (Show Source):
You can put this solution on YOUR website! x = cost of shoes
y = cost of skirt
.
x = 3y
.
3y + y = 200 - 80
.
4y = 120
.
y = 30
.
x = 3y
x = 90
.
x + y = 120
.
Answer: The skirt cost $30 and the shoes cost $90.
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