A coffee shop charges two different prices depending on the size of the cup. The table shows the number of regular-sized coffees purchased, the number of large-sized coffees purchased, and the total earnings for the past 2 hours. The system of equations can be used to represent the situation. Use the drop-down menus to complete each statement. HourRegular-Sized CoffeeLarge-Sized CoffeesTotal Earning of Hours ($) 15330 201155 5x 3y=30 11y=55 In the system of equations, x represents the and y represents the . If the system of equations is graphed in a coordinate plane, the coordinates (x,y) of the intersection of the two lines are . The total cost of 1 regular coffee and 1 large coffee is $ .