Q. 14.0( 17 Votes )

I bought 4 exerci

Answer :

Let 1 exercise book= length of 5 sides of the smallest squares along x-axis, i.e., x-axis represents the Number of an exercise book.

And 10 rs = length of 5 sides of the smallest square along y-axis, i.e., y-axis represent the price of the exercise book.



The given data are collinear, i.e., meet on a single line; we will call it a linear line.


(i) We will find out the price of 6 exercise books


From the graph we can see that drawing a line from 6 on the x-axis to the linear line, we will mark this point it is (6,30).


So the price of the 6 exercise books is Rs. 30.


(ii) We will find the number of exercise books for Rs. 45


From the graph we can see that drawing a line from 45 on the y-axis to the linear line, we will mark this point it is (9,45).


So the number of exercise books for Rs. 45 is 9.


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