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# PS-good one

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Director
Joined: 04 Jan 2008
Posts: 893

Kudos [?]: 747 [0], given: 17

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18 Nov 2008, 22:34
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This year Henry will save a certain amount of his income, and he will spend the rest. Next year Henry will have no income, but for each dollar that he saves this year, he will have 1 + r dollars available to spend. In terms of r, what fraction of his income should Henry save this year so that next year the amount he was available to spend will be equal to half the amount that he spends this year?

1/(r+2) 1/2(r+2) 1/(3r+2) 1/(r+3) 1/(2r+3)
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Kudos [?]: 747 [0], given: 17

Director
Joined: 14 Aug 2007
Posts: 726

Kudos [?]: 212 [0], given: 0

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18 Nov 2008, 23:24

Kudos [?]: 212 [0], given: 0

Re: PS-good one   [#permalink] 18 Nov 2008, 23:24
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