WORD PROBLEM TUGE OF WAR

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francoisph: Master | Next Rank: 500 Posts; Posts: 124; Joined: Sun Mar 07, 2010 3:15 pm; Thanked: 1 times

WORD PROBLEM TUGE OF WAR

by francoisph » Mon May 31, 2010 5:45 am

Hi Guys,

Could you explain please?

team x and team y have a tug of war
from their starting positions tean x pulls team y forward 3 meters, and are then pulled forward themselves 5 meters.
team y then pulls team x forward 2 meters.
If the first team to be pulled forward 10 meters loses, how many more meters must team y pull team x forward to win?

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Source: Beat The GMAT — Problem Solving | Mon May 31, 2010 5:45 am

liferocks: Legendary Member; Posts: 576; Joined: Sat Mar 13, 2010 8:31 pm; Thanked: 97 times; Followed by:1 members

by liferocks » Mon May 31, 2010 5:53 am

This is what my understanding,
first team x pulls team y forward 3 meters-->team x is 3 meter back from middle line
then team x pulled forward themselves 5 meters-->team x is (5-3)or 2 meter forward from middle line
then team y then pulls team x forward 2 meters-->team x is (2+2)or 4 meter forward from middle line

so (10-4) or 6 more meters must team y pull team x forward to win.

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