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In a certain clothing store,6 shirts and 3 ties cost $79.50 ,and 3 shirts and 2 ties cost $41. determine the cost of each shirt.

 Mar 16, 2020
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6s +3t = 79.50

3s +2t = 41            we are looking for shirt price so let's eliminate t's     multiply second eq by -1.5

-4.5s -3t = -61.5     and add  to the first equation

1.5 s      = 18

s= $ 12

 Mar 16, 2020

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