If you spend ​$99.79​, in how many ways can you receive change from a one hundred​-dollar ​bill?

Answer 1

First of all, we must determine, how much money will be left over from a $100 bill.

$100-$99.79 = $0.21

We could get 21 pennies

We could get 11 pennies, and 1 dime

We could get 11 pennies, and 2 nickels

We could get 16 pennies, and 5 nickel

We could get 2 dimes, and 1 penny

We could get 4 nickels, and 1 penny

We could get 2 nickels, 1 dime, and 1 penny

We could get 3 nickels, and 6 pennies