Two identical rectangular tanks, A and B, are completely tilled with water. Each tank measures 60 cm by 50 cm by 40 cm. When Tap A is turned on, water is drained from the tank at a rate of 3 l per minute. When Tap B is turned on, water is drained from the tank at a rate of 2 l per minute. Both taps are turned on at the same time. Find the difference in the time taken for both tanks to be drained of gll the water.

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter63: Volumes Of Pyramids And Cones
Section: Chapter Questions
Problem 25A
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first pic is the qns, while 2nd pic is my ans. just checking if there is an even shorter way to solve this qns, tks

Two identical rectangular tanks, A and B, are completely filled with water.
Each tank measures 60 cm by 50 cm by 40 cm. When Tap A is turned on, water
is drained from the tank at a rate of 3 l per minute. When Tap B is turned on,
water is drained from the tank at a rate of 2 l per minute. Both taps are turned
on at the same time. Find the difference in the time taken for both tanks to be
drained of all the water.
Transcribed Image Text:Two identical rectangular tanks, A and B, are completely filled with water. Each tank measures 60 cm by 50 cm by 40 cm. When Tap A is turned on, water is drained from the tank at a rate of 3 l per minute. When Tap B is turned on, water is drained from the tank at a rate of 2 l per minute. Both taps are turned on at the same time. Find the difference in the time taken for both tanks to be drained of all the water.
Volume 60 X 50 Y 40
3
= 120 000 cm
1201
ン
A: 120
3
40 mins
ニ
B:
120
b0 mins
ニ
2
Difference 60
- HO
? 20 mins
Transcribed Image Text:Volume 60 X 50 Y 40 3 = 120 000 cm 1201 ン A: 120 3 40 mins ニ B: 120 b0 mins ニ 2 Difference 60 - HO ? 20 mins
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