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# ds

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Intern
Joined: 12 Jan 2005
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16 Jan 2005, 21:38
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1...Each M-type memory unit will increase the base memory capacity of a certain computer by 3 megabytes. What is the base memory capacity, in megabytes of the computer?
(1) 2 M-type memory units will increase the computers base memory capacity by 300 percent
(2) The memory capacity of the computer after 2 M-type memory units are added to the base memory capacity is 1.6 times the memory capacity of the computer after 1 M-type memory unit is added to the base memory capacity.
GMAT Club Legend
Joined: 07 Jul 2004
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Location: Singapore
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16 Jan 2005, 22:55
Statement (1)
x + 3mb = x + 3x

Can solve for x

So (1) is sufficient.

x + 6mb = 1.6(x+ 3mb)

Also can solve for x

So (2) is also sufficient.

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Joined: 07 Jun 2004
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17 Jan 2005, 05:55
I got D as the answer whats the OA
17 Jan 2005, 05:55
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