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test17 #14

This topic has 4 member replies
dunkin77 Master | Next Rank: 500 Posts
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01 Apr 2007
Posted:
269 messages

test17 #14

Sun Apr 29, 2007 8:35 pm
Hi,

The answer says B) but I think it's D)-- What do you think?
Attachments

Last edited by dunkin77 on Sun Apr 29, 2007 9:42 pm; edited 1 time in total

dunkin77 Master | Next Rank: 500 Posts
Joined
01 Apr 2007
Posted:
269 messages
Wed May 02, 2007 4:22 am
Ok... what I did for 1) was...

x/yx

x=y/2 y=2x
z=2x/5

apply these to 1)

x/2x*2x/5

5/4...

f2001290 Master | Next Rank: 500 Posts
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Wed May 02, 2007 4:13 am
1. insufficient . We cannot calculate x/yz.

x/yz = 5/4x.

2. sufficent. Multiply both the frations.

jayhawk2001 Community Manager
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28 Jan 2007
Posted:
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Sun Apr 29, 2007 9:06 pm
1/2 * 2/3 * 3/4 * ... * 9/10 * 10/11 = 1/11

Hence B

dunkin77 Master | Next Rank: 500 Posts
Joined
01 Apr 2007
Posted:
269 messages
Sun Apr 29, 2007 9:43 pm
Sorry! I think I posted the wrong file.....

Can you look at the FIRST one ?

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