On average, the bottle-nosed dolphin comes up for air once every six minutes; the beluga whale, a close relative, comes up for air on average once every nine minutes. The number of times a bottle-nosed dolphin would come up for air in a 24 hour period is approximately what percent greater than the number of times a beluga whale would come up for air in that same period?  Select the correct option: A) 150% B) 175% C) 200% D) 225% E) 250%
Dolphin once in 6 min;   Beluga once in 9 min;   So, dolphin comes up 1.5 times frequently than beluga, which is 150% (9-6)/2*100.   150%nswer: 150%.
<result>A</result>
On average, the bottle-nosed dolphin comes up for air once every six minutes; the beluga whale, a close relative, comes up for air on average once every nine minutes. The number of times a bottle-nosed dolphin would come up for air in a 24 hour period is approximately what percent greater than the number of times a beluga whale would come up for air in that same period?