Question

There are 35 students. 16 of them own a MacBook, 15 - iPhone4, 21 - iPad2, 8 have MacBook and iPhone, 11 have MacBook and iPad2, 9 own iPhone4 and iPad2, and 6 own all three.

A. How many students only own iPhone4?

B. How many own MacBook or iPad2?

C. How many students own none of three?

D. How many own iPhone4 but not iPad2?

Can you tell me the solution on how to get the answers? It's confusing me.

Answer 1

im not quite sure

Answer 2

@Mehek14

Answer 3

@MaddieLB

Answer 4

My final answer is, 6 students may be a bit more rich than the other ಠᴥಠ

OKAY, sorry ಠᴥಠ had to. You really have to break these problems down number by number. If 15 people IN TOTAL have iPhone 4's, 9 people have Iphone 4 and iPad 2, and 6 have all, 6 of the 9 people own all, and 9 of the 14 own only the iPhone 4 and the iPad 2. Let me draw this out for you