Im very confused-math

Brandon is baking cookies for a school bake sale. If he can make 2 dozen cookies in 23 minutes which is a reasonable estimate of the amount of time it will take him to make 12 dozen cookies?
A) between 4 and 5 hours
B) between 3 and 4 hours
C) between 2 and 3 hours
D) between 1 and 2 hours

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  1. I think D

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  2. amount=rate*time
    12doz=(2doz/(23/60)hr)*time

    12=(2*60/23)*time
    12=(120/23)*time

    time= 12*23/120 hrs So your thinking is off. Do the math.

  3. Time for two dozen cookies = 23 min
    Time for 12 dozen = (6 * time for two dozen) = (6*23) = 138

    How many hours is that?

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    posted by Arora

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