Answer: this is the final equation.......
Explanation:
Lets get started.
As the product of Greg's height and 3 is 39.
As given the Greg's height is represented by g.
Hence,
![\text Greg's height\ * 3=39](https://img.qammunity.org/2020/formulas/mathematics/middle-school/j3hy6eakdyaspeneou5834jod585t0wpsb.png)
Plugging the value of Greg's height as g in equation
![g*3=39](https://img.qammunity.org/2020/formulas/mathematics/middle-school/3ptv8kswru4mw3zx07otnpzmvbtg60plxi.png)
........................Answer.