food for thought:

• there are 4 cars and 11 light posts on the back of a $10 dollar bill
• the number '172' can be found on the back of a $5 dollar bill in the bushes at the base of the lincoln memorial
• there are 293 ways to make change for a dollar
• a dime has 118 ridges around the edge
• all 50 states are listed across the top of the lincoln memorial on the back of a $5 dollar bill
• a quarter has 119 grooves on its edge
• a penny weighs 2.5 grams, which is the average weight of a humming bird
• if you toss a penny 10,000 times, it will be heads 49% of the time, the heads picture weights more and ends up on the bottom