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A box of 15 cookies costs $9. What is the cost for 1 cookie?
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3 votes
A box of 15 cookies costs $9. What is the cost for 1 cookie?

User Martin Monperrus
by
7.3k points

2 Answers

6 votes
$9.00/15 cookies =$.60
User Psbits
by
8.7k points
4 votes
Let's set up a proportion. (We will call our answer x.)

15 cookies / 9 dollars = 1 cookie / x dollars
15x = 9
x = 9/15 dollars

x = 60 cents
User Roconmachine
by
7.9k points
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