SOLUTION: Mrs. Valle is five times as old as her son. Three years ago, her age was eight times that of her son's age then. Find each of their ages right now.
Algebra ->
Customizable Word Problem Solvers
-> Age
-> SOLUTION: Mrs. Valle is five times as old as her son. Three years ago, her age was eight times that of her son's age then. Find each of their ages right now.
Log On
Question 465861: Mrs. Valle is five times as old as her son. Three years ago, her age was eight times that of her son's age then. Find each of their ages right now. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Mrs. Valle is five times as old as her son.
Three years ago, her age was eight times that of her son's age then.
Find each of their ages right now.
------------------
Equations:
v = 5s
(v-3) = 8(s-3)
----
Substitute and solve for "s":
5s-3 = 8s-24
3s = 21
s = 7 (son's age now)
----
Solve for "v":
v = 5s
v = 5*7 = 35 (Mrs. Valle's age now)
====================================
Cheers,
Stan H.
====================================
(