SOLUTION: Tony is four times as old as Janet and half as old as Bill. The sum of three ages is 39 years. How old is each person?

Algebra.Com
Question 1001273: Tony is four times as old as Janet and half as old as Bill. The sum of three ages is 39 years. How old is each person?
Answer by fractalier(6550)   (Show Source): You can put this solution on YOUR website!
Use t,j, and b for their ages.
t = 4j or j = (1/4)t
t = (1/2)b or b = 2t
t + j + b = 39
Plug in and solve for t.
t + (1/4)t + 2t = 39
(13/4)t = 39
t = 12
From that
b= 24 and
j= 3

RELATED QUESTIONS

Tony is three times as old as Gloria. Six years ago, Tony was five times as old as... (answered by ikleyn)
Jack is three times as old as Tony. in four years the sum of their ages will be 32. How... (answered by josgarithmetic)
sam is one-half as old as mary. bill is one-third as old as mary. the sum of htier ages... (answered by partha_ban)
Carlos is three times as old as Maria. The sum of their ages is 56 years. How old is... (answered by JulietG)
Amber is twice as old as brad. Ciera is seven years older than amber. The sum of there... (answered by ikleyn)
Victor is half as old as Maria. The sum of their ages is 54. How old is each person? (answered by stanbon)
how old is each person. If jose is five years older than amanda.Mike is twice as old as... (answered by ankor@dixie-net.com)
a father is four times as old as his son. In three years the sum of their ages will be... (answered by rwm)
Derek is four times as old as Sarah. Three years ago the sum of their ages was 44. How... (answered by ewatrrr,MathTherapy)