unit rate help

Question

Kroger has cookies on sale 9 for $3.60

Unit rate =___________ 

Answer 1

Rate is comparing two terms of a ratio; here, it is cost:cookie, or cost per cookie. In this case, the two terms are in different units, cookies and dollars (or cents). A single cookie unit costs:

 

$3.60/9 cookies=$0.40/cookie.