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If a=105 and a^3= 21*25*45*b, what is the value of b

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If a=105 and a^3= 21*25*45*b, what is the value of b [#permalink] New post 02 Dec 2005, 05:35
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If a=105 and a^3= 21*25*45*b, what is the value of b?
Current Student
User avatar
Joined: 29 Jan 2005
Posts: 5253
Followers: 23

Kudos [?]: 126 [0], given: 0

GMAT Tests User Reviews Badge
 [#permalink] New post 02 Dec 2005, 05:52
Yep, the OA is 49. Just gotta break down 105 to it`s prime factorization and cancel out.
  [#permalink] 02 Dec 2005, 05:52
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If a=105 and a^3= 21*25*45*b, what is the value of b

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