Hello please help with question 6. Thank you

5. Solve the following system of equation using any method (matrices will not solve this system). -x-2y= -x+4y =5 6. Dan takes his afternoon music class to lunch at Jim's Burger Barn and purchases 11 burgers and 6 order of fries for $99.00. Dan takes his evening music class to dinner to the same restaurant and purchases 10 burgers and 5 order of fries for $88.75. How much would Dan pay for one burger and one order of fries (assume the prices are the same for lunch and dinner]