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January 28, 2015

January 28, 2015

Posted by **Anonymous** on Sunday, November 4, 2012 at 4:03pm.

decides to give $1 000 000 of her winnings

to charity. Her plan is to give 1/2 , or 2^-1

, to

charity in January, and then give half of the

remaining amount in February, half again in

March, and so on.

a) What fraction remains after 6 months?

Can this be put in the following formula to be solved?

=inital amount*(1/2)^(t/h)

- Math -
**Steve**, Sunday, November 4, 2012 at 5:49pm1/2 + 1/4 + ... + 1/2^n = 1 - 1/2^n

so, after n months, 1/2^n is left

after 6 months, 1/64 is left

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