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

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Current Student
Joined: 29 Jan 2005
Posts: 5218
If a=105 and a^3= 21*25*45*b, what is the value of b [#permalink]

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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?
Current Student
Joined: 29 Jan 2005
Posts: 5218

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