Find the unit price for a 7-ounce box of cookies for $2.15. find the answer to the nearest tenth of one cent

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!