On Your I-Pod There Are a Total of 150 Songs

question 30

Short Answer

On your i-pod there are a total of 150 songs. Of these 150 songs, 50 are pop, 80 are rock and the rest are rap. Suppose that you need to make a playlist consisting of 6 songs. How many different groupings of songs can you create so that there are no repeats and there are exactly three rap songs and exactly two pop songs?

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Definitions:

Tradable Emissions Permit

A market-based instrument that provides economic incentives for reducing the emissions of pollutants.

Environmental Standard

Regulations and criteria set by authorities aimed at protecting the environment by controlling pollution levels and promoting sustainable practices.

Tradable Emissions Permits

Rights to emit a specific amount of a pollutant that can be bought and sold, used as a market-based approach to controlling pollution.

Supply and Demand

Supply and demand are economic principles describing the relationship between the quantity of a commodity available and the quantity that consumers are willing and able to purchase.