Question

Please Help!!!!!At the school cafeteria, the cost of one milk is $0.50. The total cost of 5 turkey sandwiches and 4 milks is the same as the total cost of 4 turkey sandwiches and 8 milks.

a. Write an equation that can be used to find the cost of a turkey sandwich. Explain what each expression or value represents in the equation.

b. Use the equation you wrote in part a. to find the cost of a turkey sandwich. Explain how you solved the equation.

Answer 1

if you let milk = x
let turkey sandwiches = y

5y+4x=4y+8x

rearrange to make y the subject

Answer 2

then you substitute the value of milk into x

Answer 3

i dont get it :/