Question 305207
Paul is 3 times as old as Laura, while Sherry is 6 years older than Laura. If Paul and Sherry are twins, what is Paul's present age?

let laura be x years

sherry = x+6

Paul = 3x

3x= x+6

3x-x=6
2x=6
x=3 

Paul is 3x 

Paul is 9 years