SOLUTION: Celeste want 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.

Question 561727: Celeste want 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.
Answer by TutorDelphia(193) (Show Source): You can put this solution on YOUR website!
Let's say her hair cut costs h dollars
the perm is 2h (twice h)
77=2h+h+5 because the amount of money she needs 77 is equal to the cost of the perm, plus the haircut plus the lunch
combine like terms
77=3h+5
subtract 5 from both sides
72=3h
divide both sides by 3
24=h
haircut=24, perm 2h=2*24=48, lunch 5

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