Three times the age of Ama is four more than the age of Kofi.In three years,the sum of their ages will be 30years. Find their present ages.

Question

Word problems

Answer 1

3A=K+4 where A is Ama's age and K is Kofi's age.

A+3+K+3=30, so A+K=24, and K=24-A.

3A=24-A+4 by substitution in first equation. 4A=28 so A=7 and K=24-7=17.

CHECK

3*7=17+4 OK. 10+20=30 OK.

SOLUTION

Ama is 7 years old and Kofi is 17.