Given your favourite fruit is for $1.99/pound, you can buy 5.43 lb with $10.80.
You have $10.80 to buy your favourite food. This is the given information (unit is $).
You want to know how many pounds of it you can buy. This is the wanted information (unit is pounds).
The price of the fruit is $1.99/pound. This is the conversion factor (units are $/pound).
The number of pounds of your favourite fruit that you can buy are:
[tex]\$10.80 \times \frac{1lb}{\$1.99} = 5.43 lb[/tex]
Given your favourite fruit is for $1.99/pound, you can buy 5.43 lb with $10.80.
You can learn more about unit conversions here: https://brainly.com/question/11543684