The water from a swimming pool will evaporate at a rate of 12 gallons per hour in the sun, and at a rate of 4 gallons per hour in the shade. In August, the amount of water lost to evaporation in the sun was the same as the amount of water lost to evaporation in the shade.
What was the average rate of evaporation in August?
(A) 3 gallons per hour
(B) 6 gallons per hour
(C) 8 gallons per hour
(D) 10 gallons per hour
(E) 12 gallons per hour
OA: [spoiler]B, See rijul007's explanation[/spoiler]
What was the average rate of evaporation in August?
(A) 3 gallons per hour
(B) 6 gallons per hour
(C) 8 gallons per hour
(D) 10 gallons per hour
(E) 12 gallons per hour
OA: [spoiler]B, See rijul007's explanation[/spoiler]
Last edited by chieftang on Tue Dec 27, 2011 8:14 am, edited 1 time in total.
