Question

The cost of a notebook is Rs 10. Draw a graph after making a table showing cost of 2, 3, 4, .... notebooks. Use it to find the number of note books that can be purchased with Rs 50

Answer 1

Let x: number of notebooks

y: cost of a notebook

x	1	2	3	4	5	6	7	8
y	10	20	30	40	50	60	70	80

The number of notebooks that can be purchased with Rs 50 is equal to the abscissa of the point (5, 50).

Hence, 5 notebooks can be purchased with Rs 50.