To find: The number of different combinations of arcade games.
60460 different combinations.
Given:
An arcade has 20 different arcade games and you want to play at least 14 of them.
Calculation:
The number of ways of playing 14 games from 20 different games is,
The number of ways of playing 15 games from 20 different games is,
The number of ways of playing 16 games from 20 different games is,
The number of ways of playing 17 games from 20 different games is,
The number of ways of playing 18 games from 20 different games is,
The number of ways of playing 19 games from 20 different games is,
The number of ways of playing 20 games from 20 different games is,
Hence, the number of ways of playing at least 14 games from 20 different games is,
Chapter 6 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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