Question

a pencil cost rs 11 and the shopner cost is rs 30 find the no of ways in which a person can exactly rs 1000 to buy pencil and sharpener

Answer 1

There are 7 ways in which a person can spend exactly Rs. 1000 to buy pens and notebooks.      

Step-by-step explanation:

Given : A pen costs Rs.11 and a notebook costs Rs.13.

To find : The number of ways in which a person can spend exactly Rs. 1000 to buy pens and notebooks?

Solution :

Let x be the number of pen.

Let y be the number of notebook.

According to question,

A pen costs Rs.11 and a notebook costs Rs.13.

i.e. Total cost

A person spend exactly Rs.1000.

Therefore, The required equation form is

or

Now, For different value y there is different value of x.

y    5     16    27     38    49   60    71

x   85   72     59    46   33    20     7

Hence, There are 7 ways in which a person can spend exactly Rs. 1000 to buy pens and notebooks.

Replace notebook and value of it by sharpner