The following graph depicts admission of students in two streams in a college for 5 academic years.
Find the ratio of the sum of commerce students in 2016-17 and 2018-19 to the sum of science students in 2015-16 and 2019-20.
1
297 ∶ 364
2
159 ∶ 151
3
478 ∶ 453
4
98 ∶ 101