The frequency with which a cricket chirps varies directly with the temperature. if the cricket chirps 100 times per minute in 80° weather, it will chirp how many times per minute in 92° weather? a) 87b) 90 c) 95d) 115

The answer is: D)115

The explanation is shown below:

1. You have that the frequency with which a cricket chirps varies directly with the temperature, which you can express it as following:

Where is the frequency with which a cricket chirps, is the temperature and is the constant of proportionality.

2.  If the cricket chirps 100 times per minute in 80° weather, you can calculate as below:

3. Therefore, the frequency in 92° weather is:

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