Ameerah A.
asked 10/29/16if i can make 12 desserts in 5 minutes .How many can you make in 20 minutes?
choices are 48 , 24 , 60 , 36
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1 Expert Answer
Mark M. answered 10/29/16
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
12 : 5 :: d : 20 proportion
5d = (12)(20) product means/extremes
Can you solve for d?
Or
20 minutes is 4 times 5 minutes
So you can make 4 times the number of desserts
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Kenneth S.
10/29/16