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g100num [7]
3 years ago
10

Rae earns $60 for playing music on Saturday nights at the local coffee house. She makes an average of $5.25 in tips per hour. Wr

ite the function of Rae's earnings, and solve for how much she would make after 4 hours.
Mathematics
2 answers:
Sergio [31]3 years ago
8 0

let total earnings = x

and number of hours = y

so x=60+5.25y is the formula

so for 4 hours replace y with 4

x = 60+5.25(4)

x = 81, so for 4 hours she made $81

Vaselesa [24]3 years ago
3 0
Let y = hours
equation: 5.25y + 60

To find out how much she would make after 4 hours, insert 4 in place of y:
5.25 x 4 + 60
21 + 60
81

After 4 hours, Rae earns $81.
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