Answers

  • Brainly User
2014-05-16T15:19:47+05:30
5 pens + 4 pencils = 36 
5 pens +9 pencils=56
 cost of 5 pens = 56-36
                      = 20 
           1 pen = 4
if 1 pen =4 
1 pencil = 
    4*5 pens + 4 pencils =36 
   20+4 pencils =36
  1 pencil= 4 
 25 pens = 100 
25 pencils = 100

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