Praxis Elementary Education Mathematics CKT 7813 Practice Exam 2025 – Comprehensive Test Prep

Question: 1 / 400

If a bike costs $150 and is on sale for 30% off, what is the sale price?

$120

$105

To determine the sale price of the bike after a 30% discount, you first need to calculate the amount of the discount. The bike costs $150, and the discount rate is 30%.

To find the discount amount, you can multiply the original price by the discount percentage:

\[

\text{Discount} = \text{Original Price} \times \text{Discount Rate} = 150 \times 0.30 = 45

\]

So, the discount amount is $45.

Next, you subtract the discount from the original price to find the sale price:

\[

\text{Sale Price} = \text{Original Price} - \text{Discount} = 150 - 45 = 105

\]

Thus, the sale price of the bike, after applying the 30% discount, is $105. This calculation demonstrates how to correctly apply a percentage discount to a given price, reinforcing the concept of basic percentage operations and subtraction.

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$135

$90

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