SOLUTION: John is 18 years younger than Sally. In 6 years, she will be twice as old as he is. How old is Sally?

Question 1097194: John is 18 years younger than Sally. In 6 years, she will be twice as old as he is. How old is Sally?
Answer by ikleyn(52802) (Show Source): You can put this solution on YOUR website!
.

In 6 years, John still will be 18 years younger than Sally, and she will be twice his age.


Hence, in 6 years john will be 18 years old, while Sally will be 36 years old.


Hence,  John is 12 years now, and Sally's present age is 30 years.

Solved.

----------------
There is a bunch of lessons on age word problems
    - Age problems and their solutions
    - A fresh formulation of a traditional age problem
    - Really intricate age word problem
    - Selected age word problems from the archive
    - Age problems for mental solution
in this site.

Read them and become an expert in solving age problems.

Also, you have this free of charge online textbook in ALGEBRA-I in this site
    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic "Age word problems".

Save the link to this online textbook together with its description

Free of charge online textbook in ALGEBRA-I
https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson

to your archive and use it when it is needed.

RELATED QUESTIONS
john is three times as old as sally. john is presently 12 years old. how old would john... (answered by ewatrrr)

When John is 64, he will be 4 times as old as Sally. Right now, Sally is 8 years old. How (answered by Alan3354)

When John is 64, he will be 4 times as old as Sally. Right now, Sally is 8 years old. How (answered by Alan3354,greenestamps)

sally is 3 times older that david in five years sally will be twice as old as david how... (answered by askmemath)

At some time in the future, John will be 38 years old. At that time, he will be three... (answered by macston)

Joe is 15 years older than Sally. in 15 years Joe will be 3 times as old as sally is now. (answered by vleith)

how could i make a system of equations (2) for this problem: sue is 4 years younger than... (answered by joyofmath)

1. Sally is 3 times as old as John. 8 years from now, Sally will be twice as old as John. (answered by josgarithmetic,jorel1380)

Sally and Tom are good friends. Sally is 7 years older than Tom. Next year she will be... (answered by solver91311)