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.

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.

shirleyarnett · Answer

i will fan and give medal

shirleyarnett · Answer

help

kamibug · Answer

(a) 2r + b = 8.40
     3r + b = 9.35
Number of refills times 'r', plus cost of egg breakfast 'b', equals total cost.

shirleyarnett · Answer

okay so how would you do the graph

kamibug · Answer

You can change the equations to slope-intercept form by subtracting the 'r' terms from each side.

shirleyarnett · Answer

how whoud you do that