Question

During a winter cold spell the temperature change was -1.2 f per hour for a period of 4.5 hours which expressions can be used to find the overall change in the temperature during that time period.A.) 4.5 divided (-1.2) degrees FahrenheitB.) 4.5x (-1.2) degrees FahrenheitC.) 4.5 - (-1.2) degrees FahrenheitD.) (-1.2)+(-1.2)+(1.2)+(1.2) degrees FahrenheitE.) 4(-1.2)+(0.5)(-1.2) degrees Fahrenheit

Answer 1

Given:

The change in temperature = -1.2 f per hour

For a period of 4.5 hours

The expression will be :

`4.5*(-1.2)`

So, the answer is option : B.) 4.5x (-1.2) degrees Fahrenheit