petebelt1023 petebelt1023

30-04-2018
Mathematics

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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? (2 points)

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Blackbeard1972 Blackbeard1972

07-05-2018

The answer is 18 minutes

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