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son4ous [18]
2 years ago
13

A shopkeeper bought 30 pens for 150 and sold 20 of them for 140. Find his profit or loss percentage

Mathematics
1 answer:
Gre4nikov [31]2 years ago
8 0

Answer:

Because the cost price of 30 pens = Rs. 150

So, the cost price of 1 pen = 150/30 =5

so, the cost price of 20 pens =

Rs. 5 x 20 = 100

Cp is Rs. 100

Sp is Rs. 140

So, profit = 140-100 = Rs. 40

Profit % = (Profit x 100)xCp

=(40 x 100)/100

= 4000/100

= 40% profit

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Read 2 more answers
The perimeter of a parallelogram must be no less than 40 feet. The length of the rectangle is 6 feet. What are the possible meas
tatuchka [14]

Answer: 14\ ft

Step-by-step explanation:

Given

Length of rectangle is 6\ ft

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Suppose l and w be the length and width of the rectangle

\Rightarrow \text{Perimeter P=}2(l+w)\\\Rightarrow P\geq 40\\\Rightarrow 2(l+w)\geq40\\\Rightarrow l+w\geq20\\\Rightarrow w\geq20-6\\\Rightarrow w\geq14\ ft

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3 years ago
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castortr0y [4]

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Step-by-step explanation:

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Answer:

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