Asked by Kyan
A large tank is being filled from a tap delivering water at a rate of 125L/hr. If the delivery rate were increased by 25L/hr the tank would be filled 1 hour and 20 minutes sooner.
Determine the volume of the tank.
Determine the volume of the tank.
Answers
Answered by
Reiny
Let the volume be V
at a rate of 125 L/h, time would be V/125 hrs
at a rate of 150 L/h, time would be V/150 hrs
V/125 - V/150 = 1 1/3 = 4/3
times 750
6V - 5V = 1000
V = 1000
at a rate of 125 L/h, time would be V/125 hrs
at a rate of 150 L/h, time would be V/150 hrs
V/125 - V/150 = 1 1/3 = 4/3
times 750
6V - 5V = 1000
V = 1000
Answered by
Kyan
But why did you times by 750?
Answered by
JRB
Because when you do v/125 - v/150 = 4/3, both the bottom numbers of the fraction have to be the same and there common denominator happens to be 750.
Answered by
Jacob
How the haeck did you get 1 1/3
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