Answer:
We get the following equation,
s =

[where s is in $ and p is in pound]
Explanation:
The catalog company charges a shipping fee of $ 0.25 for each pound an order weighs. A $3 handling fee is also charged.
Let, s be the total fees for an order weighing p pounds.
Then, we get the following equation,
s =

[where s is in $ and p is in pound]