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.
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.
Graph the equations in the system.
Use your graph to estimate how much each item cost.