SOLUTION: At the Apple Pan, 4 burgers and 3 fries cost $26.50. 5 burgers and 5 fries cost $36.25. What is the cost for each item?

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: At the Apple Pan, 4 burgers and 3 fries cost $26.50. 5 burgers and 5 fries cost $36.25. What is the cost for each item?      Log On


   

Question 812640: At the Apple Pan, 4 burgers and 3 fries cost $26.50. 5 burgers and 5 fries cost $36.25. What is the cost for each item?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
4b + 3f = 2650
5b + 5f = 3625
---
4b + 3f = 2650
(-4/5)5b + (-4/5)5f = (-4/5)3625
---
4b + 3f = 2650
-4b - 4f = -2900
---
add:
f = 250
b = 475
---
frie: $2.50
burg: $4.75
---
Solve and graph linear equations:
https://sooeet.com/math/linear-equation-solver.php
---
Solve quadratic equations, quadratic formula:
https://sooeet.com/math/quadratic-formula-solver.php
---
Convert fractions, decimals, and percents:
https://sooeet.com/math/fraction-decimal-percent.php
---
Calculate and graph the linear regression of any data set:
https://sooeet.com/math/linear-regression.php