7th Grade
Based on the graph, which two months are responsible for a combined %20 of birthdays?

Here is the information :
Jan. 21
Feb. 10
March 23
April 20
May 5
June 11

Graph below.
Please help, Thank you.

7th Grade Based on the graph which two months are responsible for a combined 20 of birthdays Here is the information Jan 21 Feb 10 March 23 April 20 May 5 June class=