Question 1085689: 8 years from now Cindy will be twice as old as paul. The current sum of the ages of Cindy and paul is 77. How old is Paul right now? Answer by KMST(5328) (Show Source):
You can put this solution on YOUR website! THE FIFTH GRADER SOLUTION:
In 8 years, each would be 8 years older,
so the sum of their ages would be
77+8+8=93.
That would be 3 times Paul's age,
so in 8 years he will be
93÷3=31.
That means that right now Paul's age is
31-8= .
THE ALGEBRA STUDENT'S SOLUTION: = Paul's age (right now) = Cindy's age (right now),
because the sum of their ages is 77.
In 8 years, the situation can be described as .
Simplifying and solving the equation,
