Mathematics, 07.01.2021 20:40 lilyplant4289
Alexandra finds that she can give 3 haircuts and 2 hair dyes in 315 minutes. Giving 2
haircuts and 4 hair dyes takes 450 minutes. How long does it take her to do a haircut?
3x + 2y = 315
2x + 4y = 450
60 minutes
3x + 4y = 450
90 minutes
2x + 4y = 315
45 minutes
30 minutes
Answers: 2
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Alexandra finds that she can give 3 haircuts and 2 hair dyes in 315 minutes. Giving 2
haircuts and...
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