An empty pool being filled with water at a constant rate takes 6 hours to fill to 3/5 of its capacity. How much more time will it take to finish filling the pool?  Choose the most appropriate option
A) 5 hr 30 min	B) 5 hr 20 min	C) 4 hr 00 min	D) 3 hr 12 min	E) 2 hr 40 min
(3/5) of a pool/ 6 hours = 3/30 = 1/10 (the rate)   (1 pools/10 hours) = (2/5* pool)/ x hours   4 hr 00 minross multiply x = (2/5) 10   x = 4   4 hr 00 min
<result>C</result>
An empty pool being filled with water at a constant rate takes 6 hours to fill to 3/5 of its capacity. How much more time will it take to finish filling the pool?