leeleemorris12
leeleemorris12 leeleemorris12
  • 24-04-2017
  • Mathematics
contestada

Sam has a total of 58 DVD's and CD's. If the number of CD's is two more than three times the number of
DVD's, how many CD's does he have?

Respuesta :

cutelion918
cutelion918 cutelion918
  • 24-04-2017
C = 3D + 2 

The total is 58, so 

C + D = 58 

3D + 2 + D = 58 

4D = 56 

D = 14 

C = 3(14) + 2 = 42 + 2 = 44 

I hope this helps!
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