.Twotaps,runningtogethercafillabathin4minutes,whichisfilledbyonefeaps,

1.	.Twotaps,runningtogethercafillabathin4minutes,whichisfilledbyonefeaps, running together can fill a bath in 4 minuminutes. How long would it take, if the other pipe is ruming by itsel?lich the floors of a huildino in Ä° 2 days. A alone can doof this job in 4 days,nodays. n
Answer» Two taps running together can fill a bath in 4 minutes. Two taps running together can fill 1/4th of the bath in 1 minute. One tap alone can fill the bath in 7 minutes. Therefore it can fill 1/7th of the tap in 1 minute. The second tap alone can fill 1/4 - 1/7 of the tap in 1 minute. i.e., 3/28th of the tap in 1 minute. That is second tap alone can fill the tap in 28/3 minutes = 91/3 minute how did 7 cane

.Twotaps,runningtogethercafillabathin4minutes,whichisfilledbyonefeaps, running together can fill a bath in 4 minuminutes. How long would it take, if the other pipe is ruming by itsel?lich the floors of a huildino in Ä° 2 days. A alone can doof this job in 4 days,nodays. n

Answer»

Two taps running together can fill a bath in 4 minutes.

Two taps running together can fill 1/4th of the bath in 1 minute.

One tap alone can fill the bath in 7 minutes.

Therefore it can fill 1/7th of the tap in 1 minute.

The second tap alone can fill 1/4 - 1/7 of the tap in 1 minute.

i.e., 3/28th of the tap in 1 minute.

That is second tap alone can fill the tap in 28/3 minutes = 91/3 minute

how did 7 cane