Solve with an expression for in terms of .
Rearrange to make the subject.
In 1897, Amos Dolbear derived a formula linking the number of cricket chirps and the temperature. The law states that the temperature , in degrees Celsius, is related to the number of cricket chirps in a minute by the formula
Rearrange the formula to make the subject.
Given that the temperature on a particular day is , estimate the number of cricket chirps that you would expect to hear in a minute.