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2 years ago

10

Alanna can detail a car in 45 minutes. Robbie can detail a car in 30 minutes. If they work together, how many minutes does it ta

ke them to detail a car? (2 points)

1 answer:

valina [46]2 years ago

6 0

The answer is 18 minutes

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3 years ago

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shepuryov [24]

Step-by-step explanation:

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Move any equation to the opposite side. I'll use the left this time

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3 years ago