Ok so heres my problem i have this problem to do ¨ to stay properly hydrated, a person should drink 32 fluid ounces of water every 60 minutes of exercise. how much water should damon drink if he rides his bike for 135 minutes? ¨ i know the unit rate is 0.53/1 and ppl are saying to multiply 0.53 x 135 and i am and no matter how hard i try i cannot get 72 as the answer to 0.53 x 135. and every where i go to look the answer up to this problem it is always 72 somebody me this problem is driving me insane