All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Just Math
TO and FRO (Posted on 2016-04-25) Difficulty: 1 of 5
A and B drive from X to Y. A drives the first 40 miles, and B drives the rest of the way.
That afternoon they return by the same route, with A driving the first leg and B driving the last 50 miles.
Who drives the farthest, and by what distance?

No Solution Yet Submitted by Ady TZIDON    
Rating: 3.0000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
Solution | Comment 1 of 4
B drives farther by 20 miles.

Let Q = the distrance between X & Y.
On the first half of the trip A drives 40 and B drives Q-40 miles.
For the second half A drives Q-50 and B drives 50.  Add the totals for A and B.
A drove 40+(Q-50)=Q-10
B drove (Q-40)+50=Q+10

The difference is 20 miles.

  Posted by Kenny M on 2016-04-25 16:39:10
Please log in:
Remember me:
Sign up! | Forgot password

Search body:
Forums (1)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (2)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Copyright © 2002 - 2019 by Animus Pactum Consulting. All rights reserved. Privacy Information