kevin is three times as old as bob, three years ago the sum of their ages was 14 . how old is each now?

Question

Kevin is threethree times as old as Bob. ThreeThree years ago the sum of their ages was 1414. How old is each now? (Hint: Write an expression first for the age of each now and then for the age of each threethree years ago.)

Answer 1

Eqn1

K=3*B

Eqn2

K-3+B-3=14

K=20-B

Substituting

3*B=20-B

4B=20

B=5

K=3*B = 15