the following word problems. Show your solutions. Jonathan is now three times as old as his son is. Twelve years ago, he was six times as old as his son was. Find the present age of each.

Solution

Solution

Son^{'} s age is : 20

Jonathan^{'} s age is : 60

Solution steps

Translate the problem into an equation:

3 x - 12 = 6 (x - 12)

Solve for

x, 3 x - 12 = 6 (x - 12) : x = 20

Find age

Son^{'} s age is : 20

Jonathan^{'} s age is : 60

Popular Examples

Grandpa Khan is 8 years more than 5 times his grandson's age. The sum of their ages is 92. How old are they?In 3 years, Toni will be 3 times as old as his sister Alex. A year ago, Toni was 7 times as old as Alex. How old are they now The sum of the ages of Dakota and Patricia is 53 years. 7 years ago, Dakota's age was 2 times Patricia's age. How old is Dakota now?Tom is eight years older than claire. The sum of their age is 54. How old is Tom Jonathan is now three times as old as his son is. Twelve years ago, he was six times as old as his son was. Find the present age of each.