SOLUTION: Mike bought some tee shirts at $7 each and some at $9 each. If he bought x of the $7 shirts and y of the $9 shirts and spent a total of 135, then give an equation in x and y which
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Question 527362: Mike bought some tee shirts at $7 each and some at $9 each. If he bought x of the $7 shirts and y of the $9 shirts and spent a total of 135, then give an equation in x and y which relates all the values.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
7x+9y=135
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