Question

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

Answer 1

Elga's age is 27.

Explanation:

x + 2x = 81

3x ÷ 3 = 81 ÷ 3

x = 27

Checking:

27 + 2(27) = 81

81 = 81

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Answer 2

Elga is 27 years old

Explanation:

AGE 27

Alvin 2x

Elga x

x+2x = 81

81=3x

81/3=x

x=27

Hope this helps! (: