Question

The restaurant bill you and your friend received was not itemized. You ordered 2 drink refills and the egg

breakfast, for a total of $8.40. Your friend ordered 3 refills and the egg breakfast for $9.35.
(a) Write a system of equations for the situation. Use r for the amount charged for a refill and b for the
amount charged for the egg breakfast.
(b) Graph the equations in the system.
(c) Use your graph to estimate how much each item cost.

Answer 1

For the answer to the question above asking to wWrite a system of equations for the situation. Use r for the amount charged for a refill and b for the
amount charged for the egg breakfast.

3r+b=9.35
-
2r+b=8.40

r=0.95