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

 The no. of students enrolled in camp A in 2015 and 2017 together is what percentage of no. of students enrolled in camp B in 2015 and 2019?

66.66%

No. of students in camp A in 2015 and 2017 = 160 + 140 = 300

No. of students in camp B in 2015 and 2019 = 250 + 200 = 450

Required percentage = \(\frac{300}{450}\) × 100 = \(\frac{200}{3}\) = 66.66%