Sara made pumpkin pies for a school fundraiser. She had 64 total pieces of pie to sell. By noon she had sold 25% of her pies. How many pieces did she sell?

Respuesta :

Sara sold 16 pieces of pie because 25% of 64 is 16.
Sara sold 16 pieces of pumpkin pie.
     
  
Step 1:               is         %           x          25
                          ----- = ------- ⇒ ------- = ------- 
                           of       100         16       100


Step 2: Cross Multiplication

100(x) = 64(25)
100x = 1,600

x = 16



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