The discount of 3% reduces the total amount when the company's product is purchased
The order quantity of the company's product is 5
Represent the order quantity with x.
Since a discount amount of Rs. 159 is charged, then it means that the total order is greater than Rs. 4000, and the discount is 3%
So, we have the following discount equation
(1000 * x + 300) * 3% = 159
Divide both sides by 3%
1000 * x + 300 = 5300
Subtract 300 from both sides
1000 * x = 5000
Divide both sides by 1000
x = 5
Hence, the order quantity is 5
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