Concept explainers
To calculate which backpack costs less after the discounts are applied and how much less.
Answer to Problem 12CST
Sale price of second backpack is less than that of first backpack by
Explanation of Solution
Given information:
Information given in the question:
For the first backpack
Original price =
Discount percent =
For the second backpack
Original price =
Discount percent =
Formula used:
Sale price = original price
Calculation:
As per the problem,
Consider the first backpack
Original price =
Discount percent =
The discount is calculated using a percent of the original price.
Discount on the first backpack =
Discount =
Sale price = original price
Substitute the values in the formula
Sale price =
Hence, sale price of the first backpack is
Now, consider the second backpack
Original price =
Discount percent =
Discount on the first backpack =
Discount =
Sale price = original price
Substitute the values in the formula
Sale price =
Hence, sale price of the first backpack is
Compare the sale price of both the backpacks
Sale price of second backpack is less than that of first backpack.
The difference in their sale price =
That is,
Sale price of second backpack is less than that of first backpack by
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Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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