Question 1121764: Maine is older than Kylie. In 3 years, the sum of their ages will be twice the sum of their ages 3 years ago. Find their present ages.
You can put this solution on YOUR website! Maine is older than Kylie.
m > k
In 3 years, the sum of their ages will be twice the sum of their ages 3 years ago.
(m+3) + (k+3) = 2((m-3)+(k-3))
m + k + 6 = 2(m+k-6)
m + k + 6 = 2m + 2k - 12
6 + 12 = 2m-m + 2k-k
18 = m + k
We know that k has to be at least 4 yrs and is less than m
Possible ages
m | k
------
14 | 4
13 | 5
12 | 6
11 | 7
10 | 8