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13 January, 15:38

Mrs. Avery's test for her 1st period lasted 9 minutes longer than it was supposed to. Write an expression for the total amount of time her 1st period took their test if she was supposed to give it for m minutes long

m - 9

9m

m + 9

9 - m

+1
Answers (1)
  1. 13 January, 16:54
    0
    It is m + 9 because if we let m = 60 and the lest was 9 minutes longer than m, the test would be 69 minutes long. Therefore the answer is m + 9
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