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

Redeem

Percentages

Expert replies
by isisalaska » Tue Feb 06, 2007 10:52 am
Hi
Which strategy is better to solve percentage type of problems?
Example:

The price of a TV is increased by 40% and then decreased by 25% of the new price?

Pick 100 or

20-25- (40*25/100)?
Isis Alaska
Join the discussion
Source: — Problem Solving |

by maxim730 » Tue Feb 06, 2007 11:21 am
The price of a TV is increased by 40% and then decreased by 25% of the new price?

(x)(1.40)(.75) i think should work
Join the discussion

by isisalaska » Tue Feb 06, 2007 11:33 am
So the new price will mean a 105% change
not a 5% :?
Isis Alaska
Join the discussion

by Stacey Koprince » Wed Feb 07, 2007 10:38 pm
It really depends what you prefer. I like the "pick 100" strategy because we all make fewer mistakes with real, whole numbers. When I'm in the midst of the stress-filled test, I want my default strategies to be the ones that minimize my chances to make mistakes.
Please note: I do not use the Private Messaging system! I will not see any PMs that you send to me!!

Stacey Koprince
GMAT Instructor
Director of Online Community
Manhattan GMAT

Contributor to Beat The GMAT!

Learn more about me
Join the discussion

by cjiang16 » Sun Apr 06, 2008 2:33 pm
Thanks, maxim730
Join the discussion