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17 June, 22:37

Lisa made 6 sandwiches in 15 minutes. At that rate, how long will it take her to make 15 sandwiches ?

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Answers (2)
  1. 17 June, 22:43
    0
    37.5 minutes

    Step-by-step explanation:

    You must find the rate at which she can make sandwhiches and use that to find your answer
  2. 17 June, 22:49
    0
    Ok, so we know she can make 6 sandwiches in 15 minutes. So, in 30 minutes she can make 12 sandwiches. It takes her 2.5 minutes to make one sandwhich. Therefore for another 3 sandwiches it would take 7.5 minutes.

    Answer: 37.5 minutes to make 15 sandwiches
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