Which of the following arguments correctly justifies the second step of the flow proof of the triangle angle sum theorem below

1 answer:

8 0

We need to see the second step of the proof, so we know what needs to be justified. It would also be nice to see the list of answer choices. I'll never understand how someone who can't answer the question and has to ask someone else can then go ahead and decide that the person helping him only needs to see parts of the question.

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You can exchange 25 U.S. Dollars for 20 Euros. What is the exchange rate in U.S. Dollars per Euro?

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Disclaimer: Exchange rates vary almost on a constant basis, so it is best to always have an up-to-date chart from an online source. For the purposes of this problem, we don't have to worry about the rates changing.

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25 U.S Dollars = 20 Euros

25/20 U.S. Dollars = 20/20 Euros

1.25 U.S. Dollars = 1 Euro

<h3>The exchange rate is 1.25 U.S. Dollars per Euro</h3>

Saying "per Euro" is the same as saying "per 1 Euro". I divided both sides of the second equation by 20 so that I could turn the "20 Euros" into "1 Euro".

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Step-by-step explanation:

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