MathematicsA greeting card costs Rs. 3 and a ream of photocopy paper costs Rs. 8. Amir paid Rs. 32 for ’x’ cards and ‘y’ reams of paper. Write a linear equation based on the information above. 



A greeting card costs Rs. 3 and a ream of photocopy paper costs Rs. 8. Amir paid Rs. 32 for ’x’ cards and ‘y’ reams of paper. Write a linear equation based on the information above.
 


  1. A
    8x+3y=32
           
  2. B
    3x+8y=32
           
  3. C
    3x-8y=32
           
  4. D
    8x-3y=32
     

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    Solution:

    General form of linear equation:

    Amir purchased cards and reams of paper be 3x and 8y and he paid Rs.32
    So we have ,
    So, option 2 is correct.
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