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Mai earns $7 an hour mowing lawns. Her friend Priya earns $8.50 an hour. If Mai started with $15, how many hours will it take both friends t
Question
Mai earns $7 an hour mowing lawns. Her friend Priya earns $8.50 an hour. If Mai started with $15, how many hours will it take both friends to make the same amount of money?
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Mathematics
3 years
2021-08-22T14:05:50+00:00
2021-08-22T14:05:50+00:00 2 Answers
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Answers ( )
7x+15=8.5x
x=10
Standard form:
−3
2
x + 15 = 0
Factorization:
−3
2
(x − 10) = 0
Solutions:
x = 30
3
= 10
Mai: y = 7x + 15
Priya: y = 8.5x
7x + 15 = 8.5x
15 = 1.5x, x = 10
It takes 10 hours