Atwo pound box of spaghetti costs $2.50. philip says that the unit cost is 2/2.50 =$0.80 per pound. explain his error

Answer

Find out the  Philip error.

To prove

As given

A two pound box of spaghetti costs $2.50.

Philip calculated the unit cost by wrong method he divided weight by the cost which is wrong.

2 pound box of spaghetti costs = $2.50

unit cost of box = $1.25

Therefore the unit cost of box is $1.25 .

no this is a nonlinear negative