Question

How do you evaluate `9.7 + 3.1w - 1.9` for w = 2.3?

Answer 1

`14.93`

Explanation:

Simply substitute `2.3` wherever there is a `w` in the expression

`9.7 + 3.1w - 1.9`

`= 9.7 + 3.1(2.3) - 1.9`

`= 9.7 + 7.13 - 1.9`

`= 14.93`