Answer:
2664.3
Step-by-step explanation:
The volume of a sphere is
V = 4/3 πr³
Multiply the radius (which is the diameter divided by 2), 8.6 by itself 3 times, and them multiply it by pi and 4/3 to achieve a volume of 2664.31 or aproximatley 2664.3.
To find the number of days, divide the total swam by the average:
Days = 48 / 3.2 = 15
They swam for 15 days.
Answer:
56
Step-by-step explanation:
20 feet =10 inchs
10 feet is 5 inches
5 feet is 2.5 inches
1 feet is 0.5 inch
10+5+2.5+0.5= 18 inches
10+10+18+18=56