SOLUTION: Two tanks are connected to a dam by separate pipes.To fill the tanks the valves on the pipes are opened at the same time.Tank A contains 100 litres when valve A is opened and water
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Question 964754: Two tanks are connected to a dam by separate pipes.To fill the tanks the valves on the pipes are opened at the same time.Tank A contains 100 litres when valve A is opened and water is allowed in at a rate of 20litres per minute.Tank B is empty when the valve B is opened and water goes in at 45litres per minute. Find out how long it takes before the two tanks contain equal volumes of water.(draw a diagram of the tanks).
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Two tanks are connected to a dam by separate pipes.
To fill the tanks the valves on the pipes are opened at the same time.
Tank A contains 100 litres when valve A is opened and water is allowed in at a rate of 20litres per minute.
Tank B is empty when the valve B is opened and water goes in at 45litres per minute.
Find out how long it takes before the two tanks contain equal volumes of water.(draw a diagram of the tanks).
:
let t = time for this to happen
B amt = A amt
45t = 20t + 100
45t - 20t = 100
25t = 100
t = 100/25
t = 4 minutes both tanks have the same amt
;
:
Confirm this
4*45 = 180 liter
4(20) + 100 = 180 liters
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