At a local pizza place, the cost for 3 small pizzas and 3 medium pizzas is $51. The cost for 5 small pizzas and 2 medium pizzas is $55.
Find the cost of each pizza

X= cost of a small pizza
Y=cost of a medium pizza

Write a Systems of equations to solve this problem

A. 3x+ 3y = 51
2x + 5y = 55

B. x+ y = 51
3x + 3y = 51

C. 3x + 3y = 51
5x + 2y = 55

D. x + y = 51
5x + 2y = 55