SOLUTION: A heater raises the temperature 15 degrees in 24 minutes.
With a second heater also in operation, the change takes place in 6 minutes.
How long would it take the second heater wo
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With a second heater also in operation, the change takes place in 6 minutes.
How long would it take the second heater wo
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Question 731542: A heater raises the temperature 15 degrees in 24 minutes.
With a second heater also in operation, the change takes place in 6 minutes.
How long would it take the second heater working alone to produce the same temperature change? Answer by josgarithmetic(39620) (Show Source):
Anyway, let the rates in degrees per minute b e, and , so we do not know rate n. We are expected to assume that when both heaters operate together, the rates are simply summed. We would do this:
(