Question

Barb went to grottos pizza and ordered 7 large pizzas Her total bill was $49

Answer 1

My answer would be c that my answer hope this helps

Answer 2

Answer:

x=7 and y=$49

Step-by-step explanation:

Let x be the # of pizzas ordered and k be the unit cost (per pizza).

Then we have y = kx = ($7/pizza)x.  In other words, k = $7/pizza, x = 7 and y = $49.  This is the third answer choice.