Question

In a recent year, the number of $1 bills in circulation in the U.S. was about 7 billion.

If the number of $10 bills was 20% of the number of $1 bills, about how many $10 bills were in circulation?

Answer 1

let the number of $10 bills = x
then x = 20% of 7billion
solve for x
remember percent means per 100

Answer 2

thanks

Answer 3

same as
20/100 = x/7billion

Answer 4

welcome