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5 October, 10:25

7x/8=21

a. 24

b. 18.375

c. 1.857

d. 19

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Answers (1)
  1. 5 October, 10:40
    0
    Multiply both sides by the reciprocal

    (8/7) 7x/8 = 21 (8/7)

    The answer is x = 24
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