Diego estimates that there will need to be 3 pizzas for every 7 kids at his party. Select all the statements that express this ratio. Select all that apply:
a. The ratio of pizzas to kids is 3 to 7.
b. For every 7 kids there need to be 3 pizzas.
c. The ratio of kids to pizzas is 7:3.
d. The ratio of kids to pizzas is 3:7.
e. The ratio of pizzas to kids is 7 to 3.​