The regular price of an item at a store is p dollars. The item is on sale for 20% off the regular price. Some of the expressions shown below

Question

The regular price of an item at a store is p dollars. The item is on sale for 20% off the regular price. Some of the expressions shown below represent the sale price, in dollars, of the item.

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Cora 2 weeks 2021-09-10T13:57:01+00:00 2 Answers 0

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    0
    2021-09-10T13:58:34+00:00

    Question is Incomplete complete question is given below;

    The regular price of an item at a store is p dollars. The item is on sale for 20% off the regular price. Some of the expressions shown below represent the sale price, in dollars, of the item.

    Expression\  A: 0.2p \\\\Expression\ B: 0.8p\\\\Expression\ C:1 - 0.2p\\ \\Expression\ D: p - 0.2p \\\\Expression\ E: p - 0.8p \\

    Which two expressions each represent the sale price of the item?

    Answer:

    Expression B: 0.8p

    Expression D: p - 0.2p

    Step-by-step explanation:

    Given:

    regular price of the item = p dollars

    item is on discount of = 20%

    We need to find the expression represent the sale price of the item.

    Solution:

    First we will find the discounted price.

    Discounted price is equal to percent discount multiplied by regular price and then divided by 100.

    framing in equation form we get;

    Discounted price = \frac{20}{100}\times p =0.2p

    Now we can say that;

    Sale price is equal to regular price minus discounted price .

    framing in equation form we get;

    Sale Price = p-0.2p

    This is one of expression represent the sale price of the item.

    On solving above expression we get;

    Sale Price = p(1-0.2)

    Sale Price = 0.8p

    This is Another expression represent the sale price of the item.

    0
    2021-09-10T13:58:53+00:00

    Answer: The answer is : A and B                                                          

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