Question

Dupe's age and ola's age add up to 25years, 8years ego dupes twice the age of ola. What is their age now?

Answer 1

X + y =25
or y=25-x

so
(x-8)=2(y-8)
ot (x-8)=2(25-x-8)
x-8=50-2x-16
3x=42
x=14

and
y=25-14
y=11

hence solved