Question 1122367

A is 11 years old and B is 68 years old. in how many years will B be 4 times as old as A?
<pre>With "y" being the number of years, we get the following SIMPLE equation: 68 + y = 4(11 + y)
Solve this to get y = 8, so in 8 YEARS. 
That's all!!