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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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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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Mathematics
3 years
2021-09-05T12:31:09+00:00
2021-09-05T12:31:09+00:00 2 Answers
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Answers ( )
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! (:
Answer:
20.25
Step-by-step explanation:
81 = (x*2)*2
81 ÷2 ÷2 = x
x = 20.25 or 20 and 1/4