Selecting Coins The photo shows a group of obsolete U.S. coins, consisting of one ea...

Selecting Coins The photo shows a group of obsolete U.S. coins, consisting of one each of the penny, nickel, dime, quarter, and half dollar. Repeat Exercise 61, replacing “bill(s)” with “coin(s).”

(Reference Exercise 61)

Selecting Bills Suppose you have the bills shown here.

(a) How many sums of money can you make using nonempty subsets of these bills?

(b) Repeat part (a) without the condition “nonempty.”