Respuesta :

de88turbo
The answer is 10.33 hopefully this helps
alisonsham678

Answer:

10.33

Step-by-step explanation:

do 9.89*3 because there are three pizzas and they each cost 9.89. that equals to 29.67

then do 20*2 to get $40 as what they paid

then do 40-29.67 to get the final result of $10.33