To determine how many pounds is made up of fat, multiply the given weight by the body fat percentage.
First, convert the percentage into decimal form.
![16.8\%\Longrightarrow0.168](https://img.qammunity.org/2023/formulas/mathematics/college/9eof9ddinmoenpl6bsetvs1r3czkdx2r89.png)
Next, multiply it to the given weight
![173\text{ pounds}*0.168=29.064\text{ pounds}](https://img.qammunity.org/2023/formulas/mathematics/college/atxriflfzy2c1c27u53zn8916rk4hzgqzu.png)
Rounding to the nearest tenth, 29.1 pounds is made up of fat on the total weight.