Question

An empty shipping box has a mass of 2.75kg. An electronics store is packing 5 identical laptop in the shipping box. Each laptop has a mass of 1.65kg. The cost of to ship the box was $40.00 for the first 5 kg and $3.15 for each kg over 5kg over . What was the cost to ship the packed box.

Answer 1

2.75+5*1.65=11 kg weight of the box with laptops.
p=40+(11-5)*3.15=58.9
The cost to ship the packed box is $58.9