15 percent of new students select a science major, 10 percent select an arts major, and 35 percent select an engineering major, what fraction of students remain undecided?	Choose the correct choice from the following answers:
A) 4/5 B) 3/5 C) 3/10 D) 2/5 E) 1/10
100%-(15%+10%+35%)=60% remains for other allocations --&gt; 40% = 40/100   --  40= 
<gadget id="calculator">  --  40</gadget>
<output>40</output>
40/100= 2/5.   Answer: 2/5.
<result>D</result>
15 percent of new students select a science major, 10 percent select an arts major, and 35 percent select an engineering major, what fraction of students remain undecided?