Question

5 pizza cost $60. What will 9 cost

Answer 1

60 divided by 5 is 12, so one pizza is 12$. then do 9 times 12 and you'll get 108. so 9 pizzas cost 108$.

Answer 2

9 pizzas will cost $108. Use proportion to solve his problem.

    5              60
    9               ?

     60 x 9
---------------
         5

60 x 9, then divide it by 5, and you get $108.