Answer :
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
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