Question

Richard and Teo have a combined age of 51. Richard is 15 years older than twice​ Teo's age. How old are Richard and​ Teo?

Answer 1

Teo=12 Richard=39

Explanation:

Richard=r

Teo=t

r+t=51

r=2t+15

2t+15+t=51

3t=51-15

3t=36

t=12

r=2t+15

r=24+15

r=39