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

Redeem

question on voltage

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Source: — Problem Solving |
Senior | Next Rank: 100 Posts
Posts: 69
Joined: Wed Mar 04, 2009 4:15 pm
Thanked: 17 times
GMAT Score:780

by Feep » Wed Mar 04, 2009 8:09 pm
Well, the highest possible values (needed to offset the lowest possible value) for the other two readings are obviously 10 and 10. We need the average to be 8, so (10 + 10 + x) / 3 = 8. 20 + x = 24. x = 4. Pretty straightforward.
I tutor GMAT/GRE level mathematics privately in the Los Angeles region, as well as via Skype for a discounted rate. Send me a message if you're interested.
Top
Post new topic Post Reply
• Page 1 of 1