Question

what is the unit price? new deal! 3 boxes of cereal for $9 $ per box

Explanation:

Step1: Define unit price formula

Unit price = $\frac{\text{Total Cost}}{\text{Number of Units}}$

Step2: Plug in given values

Unit price = $\frac{\$9}{3}$

Step3: Calculate the result

$\frac{9}{3} = 3$

Answer:

$\$3$ per box