A Greenland whale can hold its break three times as long as a beaver, and a hippopotamus can hold its breath for five minutes lo
ng than a beaver. If you added the time the Greenland whale,beaver and hippopotamus can hold their breath you would get 95 minutes. How long can a beaver hold its break
the beaver is 18 minutes so multiply that by 3 which equals 54 then add those two together then you get 72 then add 23 qhich then you end up with 95 minutes total.
