Question

The local meteorologist claims that the temperature is going to steadily drop over the next 4 hours. If the temperature changes by the same amount each hour, and it changes by a total of -28°F, how much will it change each hour? Explain how you got your answer in two or more complete sentences.

Answer 1

-7 degrees

Explanation:

-28 divided by 4 equals -7. -7 x 4 = -28

Answer 2

`-7^(\circ)F`

Explanation:

Let x represent temperature change per hour.

We have been given that the temperature is going to steadily drop over the next 4 hours and the temperature changes by the same amount each hour.

So temperature change in 4 hours would be
`4x`.

We are also told that the temperature changes by a total of -28°F, so we can represent this information in equation as:

`4x=-28^(\circ)F`

Let us solve for x.

`(4x)/(4)=-(28^(\circ)F)/(4)`

`x=-7^(\circ)F`

Therefore, the temperature changes
`-7^(\circ)F` each hour.