Respuesta :

Answer:

The expression for the total cost is C=5x+4y

Step-by-step explanation:

step one:

given that the total number of Hats bought is

5

the total number of T-shirt bought is 4

step two:

let the cost of Hat be x

and also the cost of the T-shirt be y

also, let the total cost be C

step three:

the total cost of all hats and t-shirts is given as

C=5x+4y