How did they get this answer? please help!

225/100 of last years cost. write each fraction as a decimal and as a percent

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

Which of the following values cannot be probabilities? 0.08, 5 divided by 3, startroot 2 endroot, negative 0.59, 1, 0, 1.44, 3 divided by 5 select all the values that cannot be probabilities. a. five thirds b. 1.44 c. 1 d. startroot 2 endroot e. three fifths f. 0.08 g. 0 h. negative 0.59