A student has a $ 1 bill comma a $ 20 bill comma a $ 5 bill comma a $ 10 bill comma and a $ 100 bill

$1bill,a$20bill,a$5bill,a$10bill,anda$100bill.

a. If the student must select at least onebill, and the student may select up to all of thebills, how many different sums of money could the studentmake?

b. In part(a), remove the condition"student must select at least onebill." How many sums arepossible?

a. The number of possible differentsums, provided at least one bill must beselected, is

nothing

.