Posted by **Anonymous** on Monday, April 18, 2011 at 2:52pm.

At the time of the birth of a child, a parent wants to begin a college fund that will grow to $50000 by the child's 18th birthday. Interest is compounded continuously at 8.5%. What should the initial investment (P0) be?

- Calc -
**bobpursley**, Monday, April 18, 2011 at 5:01pm
50,000=PO*e^k18

ln 50,000= ln PO + .085*18

lnPO= 10.82-1.53=9.29

PO=10829.18

check that.

- math -
**pet**, Thursday, January 10, 2013 at 12:39am
how many years will it take for $4,000 to reach $6,000 at a simple interest rate of 5

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