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December 20, 2014

December 20, 2014

Posted by **Casey** on Saturday, March 3, 2012 at 2:48pm.

I am confused for this one.

- Calculus -
**Susan**, Saturday, March 3, 2012 at 3:27pmI'm not sure but I'll explain my thinking:

t= # of deliveries

p = # of tables in each delivery

40t+20p = Inventory costs

tp=100 because 100 are sold a year, t=100/p

40(100/p)+20p = Inventory costs

4000/p + 20p = Inventory costs

To minimize set derivative = 0

-4000/p^2 +20=0

p = sqrt 200=

about 17 pool tables, 100/17 = 6 times a year

- Calculus -
**Casey**, Saturday, March 3, 2012 at 4:19pmare you sure its 17?

- Calculus -
**Susan**, Saturday, March 3, 2012 at 4:49pmNo! I am mistaken the square root of 200 is approximately 14 = p

100/14=# of times

7 gives you 98 tables

8 deliveries gives you 112

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