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6 March, 08:13

Y and x have a proportional relationship, and y = 28 when x = 21. What is the value of x when y = 42?

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Answers (2)
  1. 6 March, 08:23
    0
    21 just divide 42 to 2
  2. 6 March, 08:26
    0
    Hey there!

    You would cross multiply

    28/21 * 42/x

    42*21 = 882/28 = 31.5

    31.5
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