Nila is now x years old. 3 years ago, her brother ricky was twice as old as she. Write ricky's age 10 years from now in terms of x.

(with solution pls... thanks...)

1 answer

Three years ago:
Nila's age --- x-3
Ricky's age --- 2(x-3)

present:
Nila: --- x
Ricky -- 2(x-3) + 3 = 2x -6 + 3 = 2x - 3

in 10 years:
Nila --- x+10
ricky ---- 2x-3+10 = 2x + 7