Apipe can fill a pool in 12 hours. another pipe can fill the pool in 18 hours. how long will it take for the two pipes to

3 answers
Question:

Apipe can fill a pool in 12 hours. another pipe can fill the pool in 18 hours. how long will it take for the two pipes to fill the pool if they operate simultaneously?

Answers

It takes 7.2 hours for the two pipes to fill the pool if they operate simultaneously

Solution:

Given that,

A pipe can fill a pool in 12 hours

Thus, in one hour first pipe does [tex]\frac{1}{12}[/tex] of the job

Another pipe can fill the pool in 18 hours

Thus, in one hour second pipe does [tex]\frac{1}{18}[/tex] of the job

Therefore, we can say,

In "x" hours, first pipe does [tex]\frac{x}{12}[/tex] of the job

In "x" hours, second pipe does [tex]\frac{x}{18}[/tex] of the job

Working together they do the one job.

Thus, we get,

[tex]\frac{x}{12} + \frac{x}{18} = 1\\\\x(\frac{1}{12} + \frac{1}{18}) = 1\\\\x(\frac{12+18}{12 \times 18}) = 1\\\\x(\frac{30}{216}) = 1\\\\x = \frac{216}{30}\\\\x = 7.2[/tex]

Thus, it takes 7.2 hours for the two pipes to fill the pool if they operate simultaneously

15% chance.

step-by-step explanation:

3/10 times, the 5 year old will get a tablet. 5/10 times, the 13 yer old will get a tablet. multiply both fractions to get 15/100 times, both would have a tablet.

gmt is 4 hrs ahead of edt so just add four hours to 1: 14: 20 (minutes and seconds stay the same)

gmt is 5: 14: 20

hope this !

~just a girl in love with shawn mendes

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