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) (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.