Question

the present ages of mother and daughter are 30 years and 4 years respectively. what will be the sum of their ages after x years

Answer 1

(30 + x) + (40 + x)
=34+ 2x

Answer 2

present age =30,4 years respectively
age after x years =30+x,4+x
sum = 30+x+4+x =
34+2x
2(17+x) ---answer