Answer:
Summer vacation but not winter vacation = 5 %
so correct option is A) 5%
Explanation:
given data
winter vacation = 75 %
winter and a summer vacation = 40%
neither a winter nor a summer vacation = 20%
to find out
what percent of the employees take a summer vacation but not a winter vacation
solution
we know that total is 100 % so
Winter vacation + Summer vacation - Both vacation + Neither vacation = 100 % ......................1
put here value we get
Winter vacation + Summer vacation - Both vacation + Neither vacation = 100 %
75 % + Summer vacation - 40% + 20% = 100 %
summer vacation = 45
%
so we get now Summer vacation but not winter vacation that is
Summer vacation but not winter vacation = Summer vacation - both winter and a summer vacation ...................2
Summer vacation but not winter vacation = 45% - 40 %
Summer vacation but not winter vacation = 5 %
so correct option is A) 5%