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Activity Discussion Math Percentage: Calculating Original Price Reply To: Percentage: Calculating Original Price

  • Suryansh

    Member
    June 24, 2023 at 5:37 pm
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    If the sale price of an item is $75 after a 20% discount, we want to find the original price.

    Let’s assume the original price is ‘x’ dollars.

    The discount is 20%, which means we take away 20% of the original price to get the sale price. To calculate the discount amount, we multiply the original price by 20% (which is 0.20).

    Discount amount = x * 0.20

    To find the sale price, we subtract the discount amount from the original price:

    Sale price = x – (x * 0.20)

    According to the given information, the sale price is $75.

    So, we can set up an equation:

    $75 = x – (x * 0.20)

    Now, let’s simplify the equation:

    $75 = x – 0.20x

    We can combine like terms:

    $75 = 0.80x

    To find the value of ‘x’, we divide both sides of the equation by 0.80:

    $75 / 0.80 = x

    Calculating this, we get:

    $93.75 = x

    Therefore, the original price of the item was $93.75.

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