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September 3, 2014

September 3, 2014

Posted by **alice** on Thursday, February 7, 2013 at 7:45pm.

- math -
**tania sharmin**, Thursday, February 7, 2013 at 9:21pm300-40=260

- math -
**PsyDAG**, Friday, February 8, 2013 at 4:53pmLet x = tie cost, then shirt = 2x+40 and coat = 2(2x+40).

x + (2x+40) + 2(2x+40) = 300

Get rid of parentheses and combine like terms.

x + 2x + 40 + 4x + 80 = 300

7x = 300-120 = 180

Divide by 7.

x = 25.71

From there, calculate the shirt and coat.

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