Mari, carlos and amanda collect stamps carlos have five more stamps then mari and amanda had three times as many stamps as carlos alyogethey have 100 stamps find the number of stamps each person has

Mari: M

Carlos: M + 5

Amanda: 3(M + 5)

Total: 100

Mari  +  Carlos  +  Amanda  = Total

 M    +  M + 5   +   3(M + 5)  =  100

      2M + 5      +   3M + 15   =  100

                  5M + 20            = 100

                  5M                    = 80

                   M                     = 16

Carlos (C): M + 5   = (16) + 5   = 21

Amanda (A): 3(M + 5)   = 3(16 + 5)   = 3(21)   = 63

Mari=16, Carlos=21, Amanda=63

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