5.21 would just be 5 or 5.2 depending on what place you need to round.
7 is the answer. hope this helps!
Answer:
8
Step-by-step explanation:
2
Answer:
The answer is 6.3
Step-by-step explanation:
Answer:
4 1/4
Step-by-step explanation:
2 1/2 + 1 1/4 + 1/2 = 5/2 + 5/4 + 1/2
LCM = 4
5/2 x 2/2 = 10/4
5/4 = 5/4
1/2 x 2/2 = 2/4
10/4 + 5/4 + 2/4 = 17/4
= 4 1/4
Therefore he put 4 1/4 cups altogether.