3 groups of students went to the burger barn for a study break and snack. the first group ordered 4 burgers, 5 fries, and 7 drinks for $25.60. the second group ordered 8 burgers, 5 fries, and 6 drinks for $37.90. the third group ordered 12 burgers, 10 fries, and 11 drinks for $61.30. suppose we want to find the cost of a burger, fries, and a drink. a) define variables for setting up a system of equations. b) write the system of equations that will solve the problem. use the variables from part a. c) what is the cost of a burger, an order of fries, and a drink. give in sentence form.
a) variables x,y and z where x is the cost of burger y is the cost of fries z is... View the full answer