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Q.



The cost of a ball pen is Rs 5 less than half of the cost of a fountain pen. Write this statement as a linear equation in two variables.
 


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a

x-2y=10
      

b

2x-y=10
      

c

x+2y=10
      

d

2x+y=10
 

answer is A.

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Detailed Solution

the cost of the fountain pen is Question Imageand cost of ball pen isQuestion Image
 that the cost of a ball pen is 5 less than half the cost of a fountain pen.
Question ImageQuestion Image
 the required equation is Question ImageSo, option 1 is correct.
 
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