Carry a 50 lb box up 3 flights of stairs or a 25 lb box up 5 flights of stairs?…
Run for 12 minutes at 10 miles per hour OR 20 minutes at 6 miles per hour? Whichever option you…
Carry a 50 lb box up 3 flights of stairs or a 25 lb box up 5 flights of stairs?…
Run for 12 minutes at 10 miles per hour OR 20 minutes at 6 miles per hour? Whichever option you…