SOLUTION: tom is older than his brother. The product of their ages 6 years from now will be 120 more than the product of their present ages. Find each of their ages
Question 808898: tom is older than his brother. The product of their ages 6 years from now will be 120 more than the product of their present ages. Find each of their ages Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! tom is older than his brother.
The product of their ages 6 years from now will be 120 more than the product of their present ages.
(t+6)(b+6) = tb + 120
FOIL
tb + 6t + 6b + 36 = tb + 120
Subtract tb from both sides
6t + 6b + 36 = 120
simplify, divide by 6
t + b + 6 = 20
t + b = 20-6
t + b = 14
:
Find each of their ages
Several possibilities
T B
13 1
12 2
11 3
10 4
9 5
8 6