Question

What is 2004 pennies worth?

Answer 1

100 pennies = 1 dollar
2004 / 100
= $20.04

Answer 2

Penny is 1/100th worth of a dollar 
therefore 1 penny is equivalent to - 1/100th of a dollar 
then 100 pennies are equivalent to - 1 dollar - $1
then 2004 pennies are worth - $\frac{1}{100} * 2004 = 20.04$
the value is $20.04
answer is $20.04