What fraction of 3 dollars is 0.50 cents?

To find the fraction of 3 dollars that is equivalent to 0.50 cents, we first need to convert 0.50 cents to dollars, which is 0.50/100 = 0.005 dollars. Then, we calculate the fraction by dividing 0.005 dollars by 3 dollars, which equals 0.005/3 = 1/600. Therefore, 0.50 cents is equivalent to 1/600 of 3 dollars.