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german
3 years ago
10

A $387.50 item is marked down by 49%. What is the new cost of the item?

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
5 0
Initial(1-markdown)
387.50(1-49%)=197.625

final answer: $197.63
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11) 3 (2x + 7) - 4 = 53 - 3x is the given

Then, we use distributive property and get:

6x + 21 - 4 = 53 - 3x

Next, we combine like terms

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Finally, we use the division property of equality to divide 36 by 9, which isolates x.

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So, (In order) you have the: Given, Distributive Property, Combine Like Terms, Addition Property of Equality, Subtraction Property of Equality, and Division Property of Equality.

12) Please Note: This is an inequality problem. Which means we do not use the properties of equality. We'd use the properties of order. Properties of order are specific to inequalities, as the properties of equality are specific to the equations. They do not cross. As for your paper, I'm not sure why it says to use the properties of equality. I will be using the properties of order.

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We then combine like terms

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Next, we use subtraction property of order to subtract 1 from each side.

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Then, we add 51x to each siding using the addition property of order

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Lastly, we use the division property of order to divide 11 from both sides, which then gives us:

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In order: Given, Distributive Property, Combine Like Terms, Subtraction Property of Order, Addition Property of Order, and Division Property of Order.

 

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3 years ago
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