The temperature in degrees Fahrenheit can be estimated from the number of cricket chirps per minute.If a cricket chirps 40 times per minute, the temperature is approximately 50 degrees Fahrenheit.The average rate of change in temperature is 0.25 degree per chirp per minute.Use these facts to estimate the temperature when a cricket chirps 53 times per minute.
A) 53.25 degrees
B) 57 degrees
C) 40.25 degrees
D) none of the above

Question

The temperature in degrees Fahrenheit can be estimated from the number of cricket chirps per minute.If a cricket chirps 40 times per minute, the temperature is approximately 50 degrees Fahrenheit.The average rate of change in temperature is 0.25 degree per chirp per minute.Use these facts to estimate the temperature when a cricket chirps 53 times per minute. ​
A) 53.25 degrees
B) 57 degrees
C) 40.25 degrees
D) none of the above

Quizplus · Accepted Answer

The average rate of change in temperature is 0.25 degree per chirp per minute. So, if a cricket chirps 53 times per minute, the temperature is approximately 50 + (53 - 40) * 0.25 = 53.25 degrees Fahrenheit.

The Temperature in Degrees Fahrenheit Can Be Estimated from the Number