SOLUTION: Melissa's brother is 7 years old. Three years ago she was as old as he is now. How old will Melissa be in 4 years?

Algebra.Com
Question 1131554: Melissa's brother is 7 years old. Three years ago she was as old as he is now. How old will Melissa be in 4 years?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
----------------------------------------
Melissa's brother is 7 years old.
---------------------------------------
call b, the age for Melissa's brother.
b=7.


--------------------------------------------
Three years ago she was as old as he is now.
-------------------------------------------

m, for Melissa.

-
----------Melissa is currently 10 years of age.



----------------------------------------------
How old will Melissa be in 4 years?
----------------------------------------------
Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
.
Three years ago, she was 7 years old - hence, now she is 10 years old, and in 4 years she will be 14 years old.


Second grade level, when they even do not know what an equation is . . . and how to solve them . . .


RELATED QUESTIONS

Melissa is 24 years younger than Joyce. In 2 years, Joyce will be 3 times as old as... (answered by josmiceli)
Melissa is 24 years younger than Joyce. In 2 years Joyce will be 3 times as old as... (answered by stanbon)
Melissa is 24 years younger than joyce. in 2 years, joyce will be 3 times as old as... (answered by checkley77)
Melissa is 24 years younger than Joyce. In 2 years, Joyce will be 3 times as old as... (answered by josmiceli)
Melissa is 23 years older than her daughter maria. In 6 years melissa will be twice as... (answered by Cromlix)
Melissa is 24 years younger than Joyce. In 2 years, Joyce will be 3 times as old at... (answered by Fombitz)
Melissa's cat is five years younger than she is. In two years Melissa will be twice as... (answered by JLB)
Melissa's cousin is five years younger than she is. In 2 years, Melissa will be twice as (answered by ankor@dixie-net.com)
Melissa's cousin is 5 years younger than she is. In 2 years, Melissa will be twice as old (answered by josgarithmetic)