SOLUTION: The ratio of the ages of a, b, c, d is 8:10:7:9 respectively. The oldest person is 9 years older than the youngest person. Find the age of a?

Algebra ->  Average -> SOLUTION: The ratio of the ages of a, b, c, d is 8:10:7:9 respectively. The oldest person is 9 years older than the youngest person. Find the age of a?      Log On


   



Question 1039054: The ratio of the ages of a, b, c, d is 8:10:7:9 respectively. The oldest person is 9 years older than the youngest person. Find the age of a?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The ratio of the ages of a, b, c, d is 8:10:7:9 respectively. The oldest person is 9 years older than the youngest person. Find the age of a?
------
10:7 is oldest to youngest.
10x - 7x = 9
x = 3
--> b is 30, c is 21
-----
a is 24.