SOLUTION: Two families are saving up for a summer trip. The Smith family originally has $1000 and will save $50 every week. The Jones family originally has $500 and will save $75 every wee

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Two families are saving up for a summer trip. The Smith family originally has $1000 and will save $50 every week. The Jones family originally has $500 and will save $75 every wee      Log On


   

Question 1110693: Two families are saving up for a summer trip. The Smith family originally has $1000 and will save $50 every week. The Jones family originally has $500 and will save $75 every week.
Answer by josgarithmetic(39625) About Me  (Show Source):
You can put this solution on YOUR website!
system%28S%28x%29=50x%2B1000%2CJ%28x%29=75x%2B500%29

The have saved the same amount when S%28x%29=J%28x%29.
Substitute and solve.