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## test17 #14

This topic has 4 member replies
dunkin77 Master | Next Rank: 500 Posts
Joined
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

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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
Joined
10 Mar 2007
Posted:
400 messages
Followed by:
1 members
1
Wed May 02, 2007 4:13 am
1. insufficient . We cannot calculate x/yz.

x/yz = 5/4x.

2. sufficent. Multiply both the frations.

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
Joined
10 Mar 2007
Posted:
400 messages
Followed by:
1 members
1
Wed May 02, 2007 4:13 am
1. insufficient . We cannot calculate x/yz.

x/yz = 5/4x.

2. sufficent. Multiply both the frations.

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