An electric motor pumps water into a pool at a rate of 500 liters per hour. After a tune up, its rate increases by x liters per hour. If the motor now takes 3 hours to pump 1800 liters, in which equation does x represent the increase in speed after the tune up?
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Answer:
The equation can be (500 + x)L/h
or
The New speed of the motor = 600L/h
Step-by-step explanation:
Speed = distance/time
In this case, Speed = Litres/hour
The earlier speed of the motor = 500L/h
The speed is increased by x L/h
So the new speed can be expressed as (500 + x) L/h
or
The New speed of the motor = 1800L/3h or 600L/h
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