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Lisa and Daisy work at a hair salon. The salon charges $18 for a hair styling session with Lisa and $12 for a session with Daisy. The income on a certain day is projected to be $216. This situation can be represented by the equation 18x + 12y = 216, where x is the number of Lisa's customers and y is the number of Daisy's customers. How many customers would Lisa need to serve to attain the projected income if Daisy calls in sick that day?

User Amari
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2 Answers

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Since Daisy is sick we won't need the 12y in the equation. That leaves us with 18x = 216 which represents Daisy's work for the day.

Simply solve for x.
18x = 216
18x/18 = 216/18
x = 12



So Daisy would need to work with 12 customers in order to reach the average income for a day without Lisa's help.

Check: 18(12) = 216
User Seyi Daniel
by
8.3k points
4 votes
You would want to divide 216 by 18 and by doing that you would get 12.
User Aleksandr Kovalev
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