Question 244605
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Let *[tex \Large x] represent the cost of the haircut.  Then the cost of the perm is [tex \Large 2x].  If lunch costs $5, then she has $45 to spend on the perm and the haircut, so:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ x\ +\ 2x\ =\ 45]


Solve for *[tex \Large x] to get the cost of the haircut.  The perm is twice that amount.


John
*[tex \LARGE e^{i\pi} + 1 = 0]
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