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28 November, 10:41

Divide $3,300 into three parts whose ratio is 1:3:7.

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Answers (2)
  1. 28 November, 12:27
    0
    1+3+7=11

    The first part is

    3,300 * (1:11)

    =300

    The second part is

    3,300 * (3:11)

    =900

    the third part is

    3,300 * (7:11)

    =2,100
  2. 28 November, 12:34
    0
    1y + 3y + 7y = 3,300

    11y=3300

    y=300

    three parts = 300, 900, 2100
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