A pond is being filled by two water lines.
1 answer:
Answer:
2hr
Step-by-step explanation:
Let x be the flow rate of the first line in kg/hr
Let y be the flow rate of the second line kg/hr
Let V be the volume of the pond. in kg
(2 hr)(x kg/hr) = V kg
(1 hr)(x + y kg/hr) = V kg
x + y = 2x
y = x
as the flow rates of the two lines is identical, the second line alone takes two hours to fill the pond.
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