if the mean of the numbers 2x,3x,4x and 3x is 12,then the sum of the numbers is? a)4 b)12 c)48 d)80​

Question

if the mean of the numbers 2x,3x,4x and 3x is 12,then the sum of the numbers is?
a)4
b)12
c)48
d)80​

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Xavia 3 years 2021-07-22T13:22:39+00:00 1 Answers 32 views 0

Answers ( )

  1. mocmien2
    0
    2021-07-22T13:24:12+00:00
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    Answer:

    C. 48.

    Step-by-step explanation:

    If the mean is 12, then 12 must be 2x, 3x, 4x, and 3x divided by 4.

          –> \frac{2x+3x+4x+3x}{4}=12

          –> \frac{12x}{4}=12

          –> \\3x=12

          –> x=4

    Add: 2x+3x+4x+3x=8+12+16+12=48

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