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Popular Forum Questions
One day, the temperature at 8:00 A.M. was 41 degrees Fahrenheit, and by 1:00 P.M. the temperature was 61 degrees Fahrenheit. What was the hourly rate of temperature change?
A sewage treatment plant has two inlet pipes to its settling pond. One can fill the pond in 10 hours, the other in 12 hours. If the first pipe is open for 5 hours and then the second pipe is opened, how long will it take to fill the pond?
One day the temperature at 1 a.m. was 44 degrees F, and by 4 p.m., the temperature was 59 degrees F. What was the hourly rate of temperature change?
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