contestada

Nia sells pizzas. Large pizzas cost
$8 each, and small pizzas cost $6 each.
She sold 12 pizzas for $84. How many
of each size pizza did Nia sell?

Respuesta :

Yang100

Answer:

Nia sold 6 large pizzas and 6 small pizzas.

Step-by-step explanation:

x+y=12

8x+6y=84

------------------

x=12-y

8(12-y)+6y=84

96-8y+6y=84

96-2y=84

2y=96-84

2y=12

y=12/2

y=6

x+6=12

x=12-6=6

ashleyxo57
6 large and 6 small pizzas