Question

Please soly qsnt 7(b)

Answer 1

Answer:

vivek's age is 25 years and amith's age is 22 years

Step-by-step explanation:

take vivek's age be 'v' and amith's age be 'a'

then a.t.q.

v+a=47 ; v*a=550

by using substitution method which is a bit easy for the same