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# What is the range of a set consisting of the first 100

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What is the range of a set consisting of the first 100 [#permalink]  21 Jun 2008, 20:08
What is the range of a set consisting of the first 100 multiples of 7 that are greater than 70?

693
700
707
777
847

Can someone provide a mathematical solution to this?
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Re: Range [#permalink]  21 Jun 2008, 20:16
A
the first 100 multiples of 7 is 7-700, so the range is 693

It does not matter if you start at 7 or 77
Re: Range   [#permalink] 21 Jun 2008, 20:16
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