The following bar chart shows the no. of college students enrolled in two summer camps A and B from 2015 to 2020.

Blank Bars = A

Line Bars  = B

What is the ratio of students enrolled in camp A in 2016 to the average of students enrolled in camp B in 2016, 2017 and 2018?

6 : 17

No. of students in camp A in 2016 = 80

Total no. of students in camp B in 2016, 2017 and 2018 = 240 + 180 + 260 = 680

Average = \(\frac{680}{3}\)

Ratio → 80   :  \(\frac{680}{3}\)

          240   :   680

            12   :   34

              6   :   17