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Lyle bought used CDs at a store where all the CDs cost eithe

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GMAT Club Legend
GMAT Club Legend
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Joined: 07 Jun 2014
Posts: 4749
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 93

Kudos [?]: 1650 [0], given: 396

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Lyle bought used CDs at a store where all the CDs cost eithe [#permalink] New post 04 Mar 2018, 13:57
Expert's post
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Question Stats:

100% (00:43) correct 0% (00:00) wrong based on 6 sessions
Lyle bought used CDs at a store where all the CDs cost either $8 or $12. If Lyle bought an equal number of CDs at each price, and he spent a total of $200, what was the total number of CDs that Lyle bought?

Drill 1
Question: 9
Page: 494


[Reveal] Spoiler: OA
20

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Sandy
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GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4749
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 93

Kudos [?]: 1650 [0], given: 396

CAT Tests
Re: Lyle bought used CDs at a store where all the CDs cost eithe [#permalink] New post 04 Mar 2018, 14:11
Expert's post
Explanation

Since Lyle bought an equal number of CDs at each price, combine the prices: 1 CD of each type would cost $8 + $12 = $20. For a total of $200, then, Lyle bought\(\frac{\$200}{\$20}\) = 10 CDs of each type, for a total of 20 CDs altogether.
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Sandy
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Re: Lyle bought used CDs at a store where all the CDs cost eithe   [#permalink] 04 Mar 2018, 14:11
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Lyle bought used CDs at a store where all the CDs cost eithe

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