Mathematics
Grade6
Easy

Question

Shelly wants to divide 27 cm long ribbon into pieces of fraction numerator 9 over denominator 5 end fraction cm long.
Find the number of fraction numerator 9 over denominator 5 end fraction cm long pieces that can be cut from 27 cm long ribbon.

  1. 9    
  2. 12    
  3. 15    
  4. 18    

Hint:

To find the number of pieces of ribbon she get ,we need to divide the total length of ribbon by length of each piece of ribbon.

The correct answer is: 15


    Length of ribbon equals 27cm
    Length of each piece she wanted to cut = fraction numerator 9 over denominator 5 end fractioncm
    Number of pieces equals 27 divided by fraction numerator 9 over denominator 5 end fraction

    we can multiply the reciprocal of the denominator with the numerator to find the value of the problem.
    equals 27 cross times fraction numerator 5 over denominator 9 end fraction open parentheses text reciprocal of  end text fraction numerator 9 over denominator 5 end fraction text  is  end text fraction numerator 5 over denominator 9 end fraction close parentheses
    equals 15 pieces
    Therefore, the number of fraction numerator 9 over denominator 5 end fraction cm long pieces that can be cut from 27 cm long ribbon is 15.

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