1. 

   math_celebrity Administrator Staff Member

   4/5 of the sum of k and 3
   
   The sum of k and 3 means we add 3 to k:
   k + 3
   
   4/5 of the sum means we multiply 4/5 times the sum k + 3:
   4(k + 3)/5

    

   math_celebrity, Dec 6, 2019

   #1
   
   

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