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2 August, 00:17

Janitor A can clean all the classrooms at Strawberry School in 8 hours. Janitor B can clean the same classrooms in 10 hours. How long would it take Janitor A and Janitor B

working together, to clean all the classrooms?

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Answers (1)
  1. 2 August, 02:49
    0
    9 hours

    Step-by-step explanation:

    together, 1/of 8 is 4 and 1/2 of 10 is 5 4+5=9
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