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bwalker411
07.10.2019 •
Mathematics
Lisa gives child(x) and adult(y) haircuts in her salon. she charges $10 for a child and $40 for an adult haircut. her goal is to make at least $1000 per week and work no more than 40 hours. the shaded region of the graph represents the possible combinations of adult and child haircuts that will allow her to meet her goal. if lisa gives 60 child haircuts she must give adult haircuts to meet her goal.
a: 10
b: 15
c: 20
d: 25
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Ответ:
Ответ:
x = 6
Step-by-step explanation:
First step is to distribute the 5(x + 2).
5x + 10 = 6x + 3x - 14
The 6x and the 3x on the right can be combined.
5x + 10 = 9x - 14
Now add 14 to both sides to isolate the 9x.
5x + 24 = 9x
Subtract 5x from both sides.
24 = 4x
Divide by 4 to get x by itself.
6 = x