Every year Amanda’s school holds a swim competition. In 2009, there were 24

participants, and in 2013 there were 60 participants. What is the annual rate

of change in the number of participants from 2009 to 2013?

participants, and in 2013 there were 60 participants. What is the annual rate

of change in the number of participants from 2009 to 2013?

Answer:9

Step-by-step explanation:60-24= 36

———————==9

2013-2009= 4