Prove that there is no largest rational number in the open interval (0,1

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Is it greater than or less than7*3_9*2