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

Redeem

LOST

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Source: — Problem Solving |
Senior | Next Rank: 100 Posts
Posts: 60
Joined: Mon Jun 04, 2007 7:37 am
Thanked: 6 times

by sonu_thekool » Thu Jan 08, 2009 6:52 am
a1 + a2 + a3 (Question asks us to answer the result in terms of a1) where a2 = 2a1 + 3 and a3 = 4a2 + 32.

= a1 + (2a1 + 3) + (4a2 + 32)

= 3a1 + 4(2a1 + 3) + 35

= 3a1 + 8a1 + 12 + 35

= 11a1 + 37

Hope this helps.
Top
Senior | Next Rank: 100 Posts
Posts: 87
Joined: Tue Dec 23, 2008 11:06 pm
Thanked: 2 times

by rajataga » Thu Jan 08, 2009 9:42 am
Just one minor correction,

it is....

11a1 + 47
Top
Post new topic Post Reply
• Page 1 of 1