NCERT Solutions Class 7 Mathematics Solutions for Exercise 1.3 in Chapter 1 - Integers

Question 77 Exercise 1.3

A cement company earns a profit of ₹ 8 per bag of white cement sold and a loss of ₹ 5 per bag of grey cement sold.

The company sells 3,000 bags of white cement and 5,000 bags of grey cement in a month. What is its profit or loss?

The formula of Profit is = Selling Price (SP) – Cost Price (CP)

We denote profit in Positive Integer and Loss in Negative Integer,

From the question,

Cement company earns a profit on selling 1 bag of white cement = ₹ 8 per bag

Then,

Cement company earns a profit on selling 3000 bags of white cement = 3000 × ₹ 8

= ₹ 24000

Loss on selling 1 bag of grey cement = - ₹ 5 per bag

Then,

Loss on selling 5000 bags of grey cement = 5000 × - ₹ 5

= - ₹ 25000

Total loss or profit earned by the Cement Company = profit + loss

= 24000 + (-25000)

= - ₹1000

Thus, a loss of ₹ 1000 will be incurred by the Company.

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