40% of all students in a class commute by public transportation. If 25% of the students aspire to be scientists, which of the following can be the percentage of students who do not commute by public transportation and do not aspire to be scientists?
I.	7%
II.	20%
III.	45%  Choose one:
A) I ONLY	B) II ONLY	C) III ONLY	D) I AND II	E) I AND III
40% Students use public transportation. This means 60% students do not use public transportation. 25% students aspire to be scientists means even if all these students use public transportation, minimum 60% - 25% = 35% students do not use public transportation and do not aspire to be scientists.This means correct answer is between 35% and 60%   Answer :III ONLY.60  - 25= 
<gadget id="calculator">60  - 25</gadget>
<output>35</output>
35% students do not use public transportation and do not aspire to be scientists.This means correct answer is between 35% and 60%   Answer :III ONLY.
<result>C</result>
40% of all students in a class commute by public transportation. If 25% of the students aspire to be scientists, which of the following can be the percentage of students who do not commute by public transportation and do not aspire to be scientists?
I.	7%
II.	20%
III.	45%