Match the following situation with one of the linear systems. Lewis has 12 packs of baseball cards. Some packages have 4 rookie cards and some have only 3. In all, there are 38 rookie cards.

A.

x + y = 12 and 3x + 4y = 38

B.

x + 12y = 38 and x + 4y = 12

C.

x + y = 12 and x + 3y = 38

D.

x + 12y = 38 and x + 3y = 12

Question

Match the following situation with one of the linear systems. Lewis has 12 packs of baseball cards. Some packages have 4 rookie cards and some have only 3. In all, there are 38 rookie cards. 
 





A. 


x + y = 12 and 3x + 4y = 38 




B. 


x + 12y = 38 and x + 4y = 12 




C. 


x + y = 12 and x + 3y = 38 




D. 


x + 12y = 38 and x + 3y = 12

anonymous · Answer

Hint
Let x = the number of packs with 3 rookie cards
Let y = the number of packs with 4 rookie cards

anonymous · Answer

x + y = 12 and x + 3y = THE ANSWER

anonymous · Answer

Don't just give answers, please. Thanks. Read the Code of Conduct: http://openstudy.com/code-of-conduct ladyb66: Does it make sense that the total number of 3 rookie packs plus 4 rookie packs = 12?