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Answered by
3
Answer:
12/7 = 1.71 hr ( 1 hr 43 Mins)
Step-by-step explanation:
Tap with larger dia can fill tank in 3 hrs
Tap with larger dia can fill in 1 hr = 1/3
Tap with smaller dia can fill tank in 4 hrs
Tap with smaller dia can fill in 1 hr = 1/4
Both tap can fill in 1 hr = 1/3 + 14
= (1/12)(4 + 3)
= 7/12
Both tap together can fill in 12/7 hrs
= 1.71 hr
= 1 Hr 43 mins
Answered by
1
Answer:
12/7 = 1.71 hr ( 1 hr 43 Mins)
Step-by-step explanation:
Tap with larger dia can fill tank in 3 hrs
Tap with larger dia can fill in 1 hr = 1/3
Tap with smaller dia can fill tank in 4 hrs
Tap with smaller dia can fill in 1 hr = 1/4
Both tap can fill in 1 hr = 1/3 + 14
= (1/12)(4 + 3)
= 7/12
Both tap together can fill in 12/7 hrs
= 1.71 hr
= 1 Hr 43 mins
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