Coinage

Puzzles

• combinationsAssuming you have enough coins of 1, 5, 10, 25 and 50 cents, how many ways are there to make change for a...
• dimes"Dad wants one-cent, two-cent, three-cent, five-cent, and ten-cent stamps.
• fourteen.coinsI purchased something for $1.79. New
• impossibleWhat is the smallest number of coins that you can't make a dollar with?
• largest.unreachableUsing only 5s and 9s (any number of each), what is the largest total that cannot be made? New
• mcnuggetsChicken McNuggets come in packs of 6, 9 and 20. New
• postage.stampsAn envelope holds at most h stamps. New
• ten.dollarsHow many different ways can ten dollars be made from five dollar bills, one dollar bills, half-dollars, and... New