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A product is sold for $150 after a discount of 10%. What was the original price?

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Question: A product is sold for $150 after a discount of 10%. What was the original price?

Options:

  1. $165
  2. $160
  3. $170
  4. $150

Correct Answer: $165

Solution:

Let the original price be x. Then, selling price = x - 10% of x = 0.9x. Given selling price = $150, we have 0.9x = 150. Therefore, x = 150 / 0.9 = $166.67.

A product is sold for $150 after a discount of 10%. What was the original price?

Practice Questions

Q1
A product is sold for $150 after a discount of 10%. What was the original price?
  1. $165
  2. $160
  3. $170
  4. $150

Questions & Step-by-Step Solutions

A product is sold for $150 after a discount of 10%. What was the original price?
  • Step 1: Let the original price be represented by 'x'.
  • Step 2: A discount of 10% means the selling price is 90% of the original price.
  • Step 3: Write the equation for the selling price: Selling Price = Original Price - Discount.
  • Step 4: Substitute the discount into the equation: Selling Price = x - 0.1x.
  • Step 5: Simplify the equation: Selling Price = 0.9x.
  • Step 6: We know the selling price is $150, so set up the equation: 0.9x = 150.
  • Step 7: To find 'x', divide both sides of the equation by 0.9: x = 150 / 0.9.
  • Step 8: Calculate the value: x = 166.67.
  • Step 9: Therefore, the original price is $166.67.
  • Percentage Discount – Understanding how to calculate the original price from a selling price after a percentage discount has been applied.
  • Algebraic Manipulation – Using algebra to set up and solve equations based on the relationship between original price, discount, and selling price.
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