We will learn how to find selling price when cost price and profit or loss are given.
I. Formula to find selling price when cost price and profit percent are given;
Profit = profit% × cost price
Therefore, selling price = cost price + profit.
II. Formula to find selling price when cost price and loss percent are given;
Loss = loss% × cost price
Therefore, selling price = cost price  loss.
1. At what price should Ben sell her laptop which costs her $625, to make a gain of 20%?
Solution:
Given, cost price = $625
Profit = 20% of cost price
= 20/100 × $625
= $125 [since, profit% is always on C.P.]
And selling price = cost price + profit
= $625 + $125
= $750
Hence, selling price = $750
2. A shopkeeper buys digital camera at $2400 each. Due to price fall in the market, he was forced to sell them at a loss of 15%. Find the selling price of each digital camera.
Solution:
Given, cost price = $2400
Loss = 15% of cost price
= 15/100 × $2400
= $360
And selling price = cost price  loss
= $2,400  $360
= $2040
Thus, the required selling price of each digital camera is $2040.
More solved examples to find selling price when cost price and profit or loss are given:
3. Mike bought a laptop for $5000 and sold it at a profit of 10%. Find the profit and the selling price of the laptop.
Solution:
Given, cost price of a laptop = $5000
Therefore, profit = profit% of cost price; (since, profit is always calculated on C.P.)
= 10% × $5000
= 10/100 × $5000
= $500
And selling price = cost price + profit
= $5000 + $500
= $5500
4. James purchases an article for $450 and sold it at 20% loss. Find the loss and selling rice of the article.
Solution:
Given, cost price of an article = $450
Loss% = 20%
Therefore, loss = loss% of cost price
= 20% × $450
= 20/100 × $450
= $90
And selling price = cost price  loss
= $450  $90
= $360
5. Jenny bought an article for $450. For how much should she sell the article to gain 10%?
Solution:
Given, cost price = $450
Gain = 10% of cost price
= 10/100 × $450
= $45 [since, gain% is always on C.P.]
And selling price = cost price + gain
= $450 + $45
= $495
6. Jack purchased a watch for $800 and sold it at 25% loss to his friend. Find the selling price.
Solution:
Given, cost price = $800
Loss = 25% of cost price
= 25/100 × $800
= $200 [since, loss% is always on C.P.]
And selling price = cost price  loss
= $800  $200
= $600
To find Profit or Loss when Cost Price and Selling Price are Given
To find Selling Price when Cost Price and Profit or Loss are Given
To find Cost Price when Selling Price and Profit or Loss are Given
Calculate Profit or Loss Percent
Calculate Profit and Selling Price
Calculate Loss and Selling Price
6th Grade Math Practice
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● Profit And Loss  Worksheets
Worksheet on Calculating Profit or Loss
Worksheet on Calculating Cost Price
Worksheet on Calculating Selling Price
Worksheet on Cost Price and Selling Price
Worksheet on Calculating Profit or Loss Percent
Worksheet on Profit or Loss Percent
Worksheet on Calculating Overhead Charges
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