With her promotion, Nicki's salary increased from $19.50 an hour to $22.50 an hour. What is the percent of increase, rounded to the nearest whole number? A. 9% B. 15% C. 18% D. 22%


provide the math

Respuesta :

D because 22% is nearest to 22.50
18% is 3.51 with if you add that to 19.50 is close enough to 22.50