Respuesta :

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A. because he has 50 cards and 16 are valuable and 34 is regular. 
A- Represents Valuable cards plus Regular cards equals 50 cards
B- Represents the amount of valuable cards is equal to the regular cards plus 16
C- Represents R plus (R plus 16(because there are 16 more valuable than regular)) is equal to 50
D- 17 Regular and 33 Valuable