Question

A shopkeeper earns a profit of Rs 5 by selling one note book and incurs a loss of Re 1 by selling an old pen. In a particular month, the shopkeeper earns a profit of Rs 185. If he sold 75 old pens, find the number of notebooks that he sold.

Answer 1

Answer:

shopkeeper sold the number of notebooks are 52

Step-by-step explanation:

*Hope it helps*

Answer 2

Answer:

• Number of notebooks sold by the shopkeeper is 52.

Step-by-step explanation:

Given that:

• A shopkeeper earns a profit of ₹5 by selling one notebook and incurs a loss of selling ₹1 by selling an old pen.
• In a particular month, the shopkeeper earns a profit of ₹185.
• The shopkeeper sold 75 old pens.

To Find:

• The number of notebooks sold by the shopkeeper.

Let us assume:

• Number of notebooks sold be x.

Then,

According to the question:

$\sf{\longmapsto5(x)-1(75)=185}$

Opening the brackets,

$\sf{\longmapsto5x-75=185}$

Transposing 75 from LHS to RHS and changing its sign,

$\sf{\longmapsto5x=185+75}$

Adding,

$\sf{\longmapsto5x=260}$

Transposing 5 from LHS to RHS and changing its sign,

$\sf{\longmapsto x=\dfrac{260}{5}}$

Dividing,

$\bf{\longmapsto x=52}$

Hence,

• x = 52

Therefore,

• Number of notebooks sold = x = 52