BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

Word Problem - Can't figure this one out

Expert replies
by gmat_killer » Sat Jun 06, 2009 4:21 pm
Does anyone know how to solve this? I can't seem to figure it out... Thanks!!

Of the 500 business people surveyed, 78 percent said that they use their laptop computers at home, 65 percent said that they use them in hotels, and 52 percent said that they use them both at home and in hotels. How many of the business people surveyed said that they do not use their laptop computers either at home or in hotels?

A. 45
B. 55
C. 65
D. 95
E. 130
Pain is my motivation, failure is my strength.
Join the discussion
Source: — Problem Solving |

by ssmiles08 » Sat Jun 06, 2009 4:42 pm
IMO A

This is a set theory problem. So I set up a chart.

9% use laptops neither at home nor at a hotel

9% of 500 = 45
Attachments
PROB.xlsx
(31.75 KiB) Downloaded 103 times
Join the discussion

by gmat_killer » Sat Jun 06, 2009 4:56 pm
thank you sooo much! you make it so easy!
Pain is my motivation, failure is my strength.
Join the discussion