Ann could have many ways of buying this pencil:
45 pennies
9 nickels
1 quarter and 2 dimes
1 quarter, 1 dime, and 2 nickels
1 quarter, 1 dime, and 10 pennies
3 nickels and 30 pennies
1 dime, 1 nickel, 1 quarter, and 5 pennies
If you need any more, comment below! :)