Question
Mr. Dunn is 7 times as old as his son ,Jeff. In 5 years, he will be 4 times as old as Jeff. What are their ages now?
Answers
Damon
d = 7 j
d+5 = 4(j+5)
7j+5 = 4 j + 20
3 j = 15
etc
d+5 = 4(j+5)
7j+5 = 4 j + 20
3 j = 15
etc