1. A person giving a party wants to set out 15 assorted cans ofsoft drinks for his guests. He shops at a store that sells fivedifferent types of soft drinks.
a) How many different selections of cans of 15 soft drinks canhe make?
b) If root beer is one of the types of soft drink, how manydifferent selections include at least six cans of root beer?
c) If the store has only five cans of root beer but at least 15cans of each other type of soft drink, how many differentselections are there?
2. Find the number of integer solutions to 1 +
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