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Mathematics, 18.12.2019 18:31 KarateKat

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 take them to detail a car?

a.) 15 minutes
b.) 18 minutes
c.) 75 minutes
d.) 90 minutes

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Answers: 2

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