SOLUTION: A shoe store sold 340 pairs of shoes in one day. The number of pairs of athletic shoes sold was 4 more than twice the number of pairs of dress shoes sold. How many pairs of athleti
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Question 290622: A shoe store sold 340 pairs of shoes in one day. The number of pairs of athletic shoes sold was 4 more than twice the number of pairs of dress shoes sold. How many pairs of athletic shoes were sold?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A shoe store sold 340 pairs of shoes in one day. The number of pairs of athletic shoes sold was 4 more than twice the number of pairs of dress shoes sold. How many pairs of athletic shoes were sold?
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Equations:
a + d = 340
a = 2d+4
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Substitute for "d" and solve for "a":
d = 340-a
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a = 2(340-a) + 4
a = 684 - 2a
3a = 684
a = 228 (# of athletic shoes sold)
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Cheers,
Stan H.
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