SOLUTION: At the end of an amusement park ride, a boat lands in a pool, splashing out a lot of water. Three inlet pipes, each working alone, can fill the pool in 8 seconds, 12 seconds, and 1

Question 739724: At the end of an amusement park ride, a boat lands in a pool, splashing out a lot of water. Three inlet pipes, each working alone, can fill the pool in 8 seconds, 12 seconds, and 16 seconds, respectively. How long would it take to fill the pool if all three inlet pipes are used?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Add the 3 pipe's rates of filling
( 1 pool filled ) / ( 8 sec ) + ( 1 pool filled ) / ( 12 sec ) + ( 1 pool filled ) / ( 16 sec )
= ( 1 pool filled ) / ( t sec )

Multiply both sides by

With all 3 pipes used, the pool is
filled in 3.6923 sec
check:

close enough
RELATED QUESTIONS
Six equal inlet pipes working together can fill a swimming pool in 28 minutes. How long... (answered by Alan3354)

Bailey goes to an amusement park. The admission fee is $6. Tickets cost $5 each. one... (answered by macston,josmiceli)

Water is pumped into the pool through a pipe with a 2-in diameter at a velocity of 1.5... (answered by ikleyn)

An amusement park charges $9.00 for admission and $4.00 per ride. Write an equation that... (answered by ewatrrr)

Two inlet pipes can fill the pool with water in 3 hours and the other in 5 hours.An... (answered by josmiceli)

A swimming pool has two inlet pipes. One of them can fill the pool in 5 hours, the other... (answered by josgarithmetic)

A 400-gallon water storage tank is filled by a single inlet pipe, and two identical... (answered by stanbon)

Please help me with this problem! On a map of an amusement park, a ride has a track in... (answered by ewatrrr)

an inlet pip can fill a pool in 10 hours and the drain can empty it in 15 hours. if the... (answered by josgarithmetic)