SOLUTION: Jessica, Trey, and Charlie served a total of 126 orders Monday at the school cafeteria. Jessica served 6 fewer orders than Trey. Charlie served 4 times as many order

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: Jessica, Trey, and Charlie served a total of 126 orders Monday at the school cafeteria. Jessica served 6 fewer orders than Trey. Charlie served 4 times as many order      Log On


   

Question 1112888: Jessica, Trey, and Charlie served a total of
126
orders Monday at the school cafeteria. Jessica served
6
fewer orders than Trey. Charlie served
4
times as many orders as Jessica. How many orders did they each serve?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
j       j=t-6

t        t

c       c=4j

Totals    126

system%28j=t-6%2Cc=4j%29

c=4%28t-6%29

j%2Bt%2Bc=126
-
highlight_green%28%28t-6%29%2Bt%2B%284%28t-6%29%29=126%29
t-6%2Bt%2B4t-24=126
6t=126%2B6%2B24
6t=156
highlight%28t=26%29---------Trey
highlight%28j=20%29-------Jessica
highlight%28c=80%29-------Charlie