Finding the Least Amount of Coins that Make a Certain Value
Time and Money, and more...

 1 EASY How many coins to make $0.50? 12345  2 HARD Sally buys$16.23 worth of groceries and pays with a $20 bill. What is the fewest number of coins she can get from the cashier? 34567  3 HARD How many coins to make$1.37? 23456

 4 HARD What is the fewest amount of coins needed to make every amount from $0.01 to$1.00? 11005108

 5 HARD Vinit has 0 toonies, 1 loonie, 1 quarter, 2 dimes, 7 nickels, and 12 pennies. What is the fewest amount of coins he can use to make \$1.56?