Question

in a class of 40 students, 1/5 of the total number of students like to eat rice only, 2/5 of the total number of students like to eat chapatti only, and the remaining students like to eat both. what fraction of the total number of students like to eat both?

Answer 1

Answer:

Let the number of students that like to eat rice only be x. Let the number of students that like to eat chapatti only be y. ∴ 16 students like both rice and chapatti.

Answer 2

Answer:

2/5 is the correct answer. See the above attachment to justify.