Compare A and B in three? ways, where A=52,014 is the number of deaths due to a deadly disease in the United States in 2005 and B=18,171is the number of deaths due to the same disease in the United States in 2009.

a. Find the ratio of A to B

.b. Find the ratio of B to A.

c. Complete the? sentence: A is? *__* percent of B.