Problem of the Week #4: The Penny Problem
Suppose you put 1 penny in your piggy bank on the first day of the month. On the second day, you put 2 pennies in, 4 pennies on the third day, etc. Each day double the previous day’s amount.
How much would you have saved after 31 days?
How much would you have saved after 31 days?
I got 2,147,483,647 pennies on the 31 day.
Posted by
Anonymous |
10/17/2005 1:57 PM
I got 1,181,064,905 pennies
Posted by
Anonymous |
10/17/2005 6:26 PM
I came up with the answer $21,485,322.23. The only way I could get the answer was to add ALOT.
Posted by
Anonymous |
10/17/2005 7:01 PM
I got 973,078,528
Posted by
Anonymous |
10/17/2005 7:02 PM
I got 1,073,741,824 pennies on the 31 day!!! OH YEAH!!! WHAT A TROOPER
Posted by
Anonymous |
10/18/2005 4:38 PM
I got 1,073,741,824 pennies or $10,737,418.24
Posted by
Anonymous |
10/18/2005 7:59 PM
I got 1,073,741,824 pennies I got the answer by doubling the pennies every day for 31 days
Posted by
Anonymous |
10/19/2005 9:55 AM
I got an answer of 1,073,741,824 pennies I doubled the amount of pennies every day 31 times and got that answer.
Posted by
Anonymous |
10/19/2005 9:56 AM
I got 1,073,741,824.. i think its right. I doubled every penny a day.
Posted by
Anonymous |
10/20/2005 7:11 PM
I got 1,073,741,824 Okay i hope thats right i got that by doubling the pennies every day for 31 days!
Posted by
Anonymous |
10/20/2005 8:55 PM
I got 1,073,741,824 Okay i hope thats right i got that by doubling the pennies every day for 31 days!
Posted by
Anonymous |
10/20/2005 8:55 PM
I got 2139113641 pennies after 31 days in saving up. I doubled the number of pennies each day then added it all up.
Posted by
Anonymous |
10/29/2005 3:08 PM
The correct answer for this POW is $21,474,836.47. Become a millionare in 1 month!
Posted by
Anonymous |
11/07/2005 12:02 AM
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