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22 July, 01:07

If Jasper installs a floor himself, it will take him 7 hours. Working with Yolanda, it will take them 3 hours. If they work together, what is the missing value in the table that represents the part of the floor Jasper will install? (3) r 7r 7 (3)

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Answers (2)
  1. 22 July, 03:23
    0
    Lets say we have 1 as the total floor to install, in 7 hours Jasper will install 1, so in 1 hour, Jasper will install 1/7 of the floor and therefore in 3 hours he will install 3/7 of the floor.

    Your answer is 3/7.
  2. 22 July, 04:37
    0
    1/7 (3) is the answer to your question
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