Practical Mathematics for Grade 12, Problem ID: 4564

Practical Mathematics K12The water from an open swimming pool evaporates at a rate of 5 gallons per hour in the shade and 15 gallons per hour in the sun.

If the pool loses 8,400 gallons in June and there were no clouds, what is the average duration of night during that month?

12 hours10 hours6 hours8 hours