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2015-09-11T20:46:45+08:00

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X
x+44,50
_______
139.50

2x+ 44.50= 139.50
transposition
2x = 139.50-44.50
2x= 95
divide both by two to cancel 2x 
x=47.5

if x= cap , then the cap price is 47.50
if x + 44.50= t shirt, then 44.50 + 47.5 = 92 is the price of the t shirt

for the total of 139.50

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