Answer:
$0.60
Step-by-step explanation:
Given that:
The ratio of number of cookies to the cost of cookies as:
Number of cookies : Cost of cookies = 15 : 9
It means, we get 15 number of cookies when we pay $9.
To find:
An equivalent ratio to represent the cost of 1 cookie.
Solution:
Here, we have to find nothing but the unit price or the price of 1 cookie.
This can simply be done by dividing the total cost of cookies with the total number of cookies.
Total cost of 15 cookies is given as $9
Using unitary method:
Let us divide both the sides with 15, we get:
Total cost of cookies is given as
Total cost of 1 cookie is given as <em>$0.60</em>