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21 votes
Alvin is 13 years younger than Elga. The sum of their ages is 27. What is Elga's age?

User Domingo
by
3.3k points

2 Answers

1 vote

Explanation:

Let A be Alvin's age and E be Elga's age

A + E = 27

also A + 13 = E

Substitute for A in the first equation

E -13 + E = 27

2E = 40

E = 20, so Elga is 20 years old and Alvin is 7.

User Paul Hutchinson
by
3.2k points
9 votes

Answer:

14

Explanation:

27-13

User Igor Okorokov
by
3.3k points