3 years ago

Alvin is 13 years older than elga. the sum of their ages is 107. what is elga's age

Mathematics

2 answers:

frutty [35]3 years ago

4 0

Alvin is 94 years old!

harkovskaia [24]3 years ago

3 0

A = e + 13
a + e = 107

e + 13 + e = 107
2e + 13 = 107
2e = 107 - 13
2e = 94
e = 94/2
e = 47 <=== elga's age

a = e + 13
a = 47 + 13
a = 60....alvin's age

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