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# Linear Equations

Your music collection grows by 20 songs every week. If you currently have 1,000 songs, how many weeks will it take to amass 3,500 songs?

The rate at which crickets chirp is a linear function of the temperature (in degrees Fahrenheit). A good estimate of the temperature (in degrees Fahrenheit) is to count the number of times that a snowy tree cricket chirps in 15 seconds, and then add 45.

Using this rule, what would be the temperature if the snowy tree cricket chirps 192 times in a minute?

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