SOLUTION: Teresa and Elaine are going on a camping trip. They will take 20 kg of dehydrated food with them. One type of food, Power Ration, costs $3/kg while another type of food, Energy Plu

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: Teresa and Elaine are going on a camping trip. They will take 20 kg of dehydrated food with them. One type of food, Power Ration, costs $3/kg while another type of food, Energy Plu      Log On


   

Question 39642This question is from textbook
: Teresa and Elaine are going on a camping trip. They will take 20 kg of dehydrated food with them. One type of food, Power Ration, costs $3/kg while another type of food, Energy Plus, costs $2/kg. They will spend $52 on dehydrated food.
(a) Write a linear system if equations to model this situation.
(b) Find the amount of each type of food that they will take on the camping trip. Solve by graphing This question is from textbook

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
3*x+2(20-x)=52 or 3x+40-2x=52 or x=52-40 or x=12kg of Power rations &
20-12=8kg of Energy Plus.
proof 3*12+2*8=52 or 36+18=52 or 52=52