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