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21 Oct 2020

Which of the following situations illustrate the concept of efficiency?

  1. Joey, who is a talented dressmaker, used to make 10 dresses a day using 50 yards of fabric. Now she can make 20 dresses a day using 100 yards of fabric

  2. Dani, who is also a talented dressmaker, used to make 5 dresses a day using 50 yards of fabric. Now she can make 10 dresses a day using 50 yards of fabric

  3. Star, a diligent student, used to take 4 hours in answering his Physics homework. Now he can finish the same homework in 2 hours. 

  4. Rory, who is also a diligent student, used to take 2 hours in answering her Physics homework. Now she can finish the same homework in 6 hours

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Kristelle Balando
Kristelle BalandoLv10
21 Oct 2020

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