SOLUTION: Mack’s Tee-Shirt Shack sold 36 shirts one day. All short-sleeved tee shirts cost $12 and all long-sleeved tee shirts cost $18. Total receipts for the day were $522. Solve a system
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Question 800682: Mack’s Tee-Shirt Shack sold 36 shirts one day. All short-sleeved tee shirts cost $12 and all long-sleeved tee shirts cost $18. Total receipts for the day were $522. Solve a system of equations to find out how many of each kind of shirt were sold.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Mack’s Tee-Shirt Shack sold 36 shirts one day. All short-sleeved tee shirts cost $12 and all long-sleeved tee shirts cost $18. Total receipts for the day were $522. Solve a system of equations to find out how many of each kind of shirt were sold.
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Equations:
Quantity Eq:: S + L = 36
Value Eq::::: 12S + 18L = 522
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12S + 12L = 12*36
12S + 18L = 522
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Subtract and solve for "L"::
6L = 90
L = 15 (# of long-sleeve sold)
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Solve for "S"::
S + L = 36
S + 15 = 36
S = 21 (# of short-sleeve sold)
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Cheers,
Stan H.
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