An empty swimming pool with a capacity of 5,760 gallons is filled a rate of 12 gallons per minute. How many hours does it take to fill the pool to capacity?
8
20
96
480
None of them
Description (বিবরণ) :
প্রশ্ন: An empty swimming pool with a capacity of 5,760 gallons is filled a rate of 12 gallons per minute. How many hours does it take to fill the pool to capacity?
ব্যাখ্যা:
Filled 12 gallons in 1 min
Filled 5760 gallons in = 5760 /12 min
= 5760/( 12 ×60) hours
= 8 hours
