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

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Joined: 29 Jan 2005
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Kudos [?]: 437 [0], given: 0

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

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New post 02 Dec 2005, 06:35
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If a=105 and a^3= 21*25*45*b, what is the value of b?

Kudos [?]: 437 [0], given: 0

Current Student
User avatar
B
Joined: 29 Jan 2005
Posts: 5201

Kudos [?]: 437 [0], given: 0

 [#permalink]

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New post 02 Dec 2005, 06:52
Yep, the OA is 49. Just gotta break down 105 to it`s prime factorization and cancel out.

Kudos [?]: 437 [0], given: 0

  [#permalink] 02 Dec 2005, 06:52
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If a=105 and a^3= 21*25*45*b, what is the value of b

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