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Answer :
Ans.Let the cost of cricket bat and cricket ball be Rs.x and Rs.y respectively.
According to the given statement in the question:
=>\(3x + 6y = 3900\)
=>\(x + 2y = 1300\)............(i)
Two solutions of the equation (i) are :
\(\begin{array} {|r|r|}\hline 0 & 1300 \\ \hline 650 & 0 \\ \hline \end{array}\)
And also according to the given statement in the question:
=>\(x + 3y = 1300\)............(ii)
Two solutions of the equation (i) are :
\(\begin{array} {|r|r|}\hline 0 & 1300 \\ \hline {{1300} \over {3}} & 0 \\ \hline \end{array}\)
Now the graph for the above equations (i) and (ii) will be: