In five years time a father will be three times as old as his son. Four years ago, the father was six times as old as his son. Find their present ages.

Solution

Solution

Father^{'} s age is : 40

Boy^{'} s age is : 10

Solution steps

Translate the problem into an equation:

x + 5 = 3 (y + 5), x - 4 = 6 (y - 4)

x + 5 = 3 (y + 5), x - 4 = 6 (y - 4) : x = 40, y = 10

Father^{'} s age is : 40

Boy^{'} s age is : 10

Popular Examples

Aubrey opened a savings account and deposited 300.00. The account earns 14% interest, compounded continuously. If she wants to use the money to buy a new bicycle in 2 years, how much will she be able to spend on the bike?The product of 2 and Donnie's age is 28.:Use the variable d to represent Donnie's age.Translate this sentence into an equation: eight is ten more than four times a number the sum of a number and 6 is less than 22 The difference between two positive integers is 28 . One integer is three times as great as the other. Find the integers