Answered

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Alvin is 15 years older than Elga. The sum of their ages is 81. What is Elga's age

Sagot :

Answer:

33

Step-by-step explanation:

let Elga age be x

And So Alvin age is x+15

x+x+15=81

2x+15=81

2x=81-15

2x=66

x=66/2

x=33

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