A boy has been saving for a vacation trip and keeps $1 bills, $5 bills, $10 bills and
Chapter 9, Problem 13(choose chapter or problem)
A boy has been saving for a vacation trip and keeps $1 bills, $5 bills, $10 bills and $20 bills in a drawer. If he selects 6 bills at random from the drawer, how many different assortments of bills are possible?
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