A baker can bake 8 dozen cookies in 20 minutes. At this rate, how many minutes will it take to make 30 dozen cookies?
1 answer:
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we know that
A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form or
where
k is the constant of variation
in this problem we have
the point
so
substitute
therefore
<u>the answer is</u>
