Question 1127513: Styline Menswear ordered short-sleeve shirts for $23 each and long-sleeve shirts for $28.50 each from Tommy Hilfiger. If the total order amounted to $9,862.50 for 375 shirts, how many short-sleeve were ordered?
Answer by addingup(3677)   (Show Source):
You can put this solution on YOUR website! Let short sleeve shirts be s and long sleeve l
:
s + l = 375 thus l= 375 - s
23s + 28.50l = 9,862.50 substitute for l:
23s + 28.50(375 - s) = 9,862.50
23s + 10,687.50 - 28.50s = 9,862.50
-5.50s = -825 divide both sides by -5.50, and remember that -/- = +
s = 150
150 short sleeves were ordered
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