Respuesta :

This is a dimensional analysis question:

[tex] \frac{1 \text{ pack}}{3.65 \text{ dollars}}*36.50\text{ dollars}=10 \text{ packs} [/tex]

It's hard to read the number, but if the amount he spent was $36.50, then he bought:

$36.50/$3.65 = 10

He bought 10 packs.