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16 March, 07:57

When a number is decreased by 4.5%, the result is 90. What is the original number to

the nearest tenth?

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Answers (1)
  1. 16 March, 08:20
    0
    x = 94.2

    Step-by-step explanation:

    Let x represent the number

    x - 4.5%x = 90

    x - 4.5/100x = 90

    x - 0.045x = 90

    0.955x = 90

    Divide both sides by 0.955 (the coefficient of)

    x = 90/0.955

    x = 94.2
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