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March 28, 2017

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I'm stumped. Would someone please guide me? The question is: 175% of a number is 50. What's the number? Thank you!

  • math-8th Grade - ,

    First you need to change the percent to a decimal by moving the decimal point two places to the left.

    175% = 1.75

    Then set up this equation with x = the number.

    1.75x = 50
    x = ?

  • math-8th Grade - ,

    Thank you so much!

  • math-8th Grade - ,

    You're very welcome.

  • math-8th Grade - ,

    175% must be changed to a decimal number before doing anything else.

    So, 175% becomes 1.75

    Let x = what number

    Then, 1.75(x) = 50

    To find x, we divide both sides of the equation by 1.75.

    x = 50/1.75

    x = 28.57

    Done!

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