Answer:
863 cups
Step-by-step explanation:
step 1
Find the volume of the conical cup
The volume of the cone (cup) is equal to

we have
----> the radius is half the diameter

assume

substitute
step 2
Find out how many cups of water must Carissa scoop out of the sink
Divide the volume of the sink by the volume of the cup
so

Answer:
7
Step-by-step explanation:
I'm not sure, but it's probably that Mary bakes faster than Sarah?
Answer:
Let's find unit price. 7.38 / 2 = 3.69 and 9.57 / 3 = 3.19. Since 3.19 < 3.69 the better buy is 9.57 for 3 pounds.