Question

A is now 34 years old, and b is 4 years old. in how many years will a be twice as old as b

Answer 1

let after x years from today A will be twice as old as B .
then (34+x)=2(4+x)
34+x= 8+2x
34-8=2x-x
26=x

Answer 2

according to the question

Age of A= 34+x
Age of B= 2(4+x)

2(4+x)= 34+x
8+2x= 34+x
solve the equation

2x-x= 34-8

x= 26

26year ans...