Alvin’s age is two times Elga’s age. The sum of their ages is 81. What is Elga’s age?

Question

Alvin’s age is two times Elga’s age. The sum of their ages is 81. What is Elga’s age?

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Ladonna 3 years 2021-09-05T12:31:09+00:00 2 Answers 12 views 0

Answers ( )

  1. Amity
    0
    2021-09-05T12:32:12+00:00
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    Answer:

    Elga is 27 years old

    Step-by-step explanation:

            AGE

    Alvin 2x

    Elga  x

    x+2x = 81

    81=3x

    81/3=x

    x=27

    Hope this helps! (:

  2. ngochoa
    0
    2021-09-05T12:32:26+00:00
    Reply

    Answer:

    20.25

    Step-by-step explanation:

    81 = (x*2)*2

    81 ÷2 ÷2 = x

    x = 20.25 or 20 and 1/4

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