SOLUTION: on a recent trip to the convenience store you picked up 3 gallons of milk , 4 bottles of water and 7 bags of chips. your total before tax was 23.70. a bottle of water cost twice a

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: on a recent trip to the convenience store you picked up 3 gallons of milk , 4 bottles of water and 7 bags of chips. your total before tax was 23.70. a bottle of water cost twice a      Log On


   



Question 978833: on a recent trip to the convenience store you picked up 3 gallons of milk , 4 bottles of water and 7 bags of chips. your total before tax was 23.70. a bottle of water cost twice as much as a bag of chips , and a gallon of milk cost 2.30 more than a bottle of water, how much does each item cost?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
3m+4w+7c=23.70
w=2c
m=w+2.30