A bicycle that Brinley wants costs B dollars. This week the bicycle is being marked down 30%. Write two expressions that represent the sale price of the bicycle. Expression 1

Expression 2

Part B:
Use one of the expressions to find the cost of a $720 bicycle

Part A:

Expression 1: 0.7B

Expression 2: B - 0.3B

Part B:

$504

Step-by-step explanation:

Part A:

Original price: B

B is 100% of the price. The discount is 30%.

100% - 30% = 70%

After the discount, the price is 70% of the original price.

70% of B is the same as 0.7B

Expression 1: 0.7B

Original price: B

Discount: 30% of B

Discounted price = B - 30% of B = B - 0.3B

Expression 2: B - 0.3B

Part B:

Use Expression 1 to calculate the price.

0.7B = 0.7 * $720 = $504

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step-by-step explanation:

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step-by-step explanation: