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Celeste wants to have her hair cut and permed and also go to lunch. She knows she will need $77. The perm costs twice as much as her haircut and she needs $5 for lunch. How much does the perm cost?
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Celeste wants to have her hair cut and permed and also go to lunch. She knows she will need $77. The perm costs twice as much as her haircut and she needs $5 for lunch.

How much does the perm cost?

User Taersious
by
8.0k points

1 Answer

2 votes
2x+5=77.
-5. -5
2x. = 72
2. 2
x= 36

to check all you do is plug in 36 into x
so you get 2(36)+5 which equals 77.


2x is the permed
5 is for lunch
77 total money they have
User Andersschuller
by
7.3k points
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