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Is this a true proportion?

22:88::10: 40

Is this a true proportion?

2" : 12" : : 6" : 24"

Solve for (x)

7 : x : : 35 : 125 =

Solve for (x)

2 qt : 6 qt : : x : 48 qt =

Solve.

What is 45% of 180?

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Answers (1)
  1. 8 May, 22:26
    0
    22/88 = 10/40

    cross multiply

    (22) (40) = (88) (10)

    880 = 880 ... true proportion

    2/12 = 6/24

    (2) (24) = (12) (6)

    48 = 72 (incorrect) ... not a true proportion

    7/x = 35/125

    35x = 7 (125)

    35x = 875

    x = 875/35

    x = 25

    2/6 = x/48

    6x = 48 (2)

    6x = 96

    x = 16 qt.

    45% of 180 ... turn percent to fraction ... " of " means multiply

    0.45 (80) = 36 ... so 45% of 180 is 36
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