SOLUTION: 2 years ago Stephanie was 4 times as old as Jennifer. Two years from now Stephanie will be 3 times as old as Jennifer. a)How old are Stephanie and Jennifer now? b)In how many

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: 2 years ago Stephanie was 4 times as old as Jennifer. Two years from now Stephanie will be 3 times as old as Jennifer. a)How old are Stephanie and Jennifer now? b)In how many      Log On


   

Question 863341: 2 years ago Stephanie was 4 times as old as Jennifer.
Two years from now Stephanie will be 3 times as old as Jennifer.
a)How old are Stephanie and Jennifer now?
b)In how many years will Stephanie be 2 times as old as Jennifer.
c)How old was Stephanie when Jennifer was born?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
s+2=3*(j+2)
s+2=3j+6
s-2=4*(j-2)
s-2=4j-8
s+2=3j+6
2s=7j-2
s=3.5j-1
3.5j+1=3j+6
.5j=5
j=10
s=3.5j-1
s=35-1
s=34
a) j=10 s=34
b)34+x=2*(10+x)
34+x=20+2x
14=x
10+14=24
34+14=48
c)
34-10=24