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소숫점을 퍼센트로 바꾸기 (연습 2)

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    Let's see if we can write 1.501 as a percentage.
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    Now, we really just want to write this quantity, as something over 100.
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    So, what we can do is, we can say that this is the same thing as 1.501 over 1.
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    We haven't changed it's value, now let's multiply it times 100 over 100.
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    When we do this product, and I haven't changed the value,
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    this just multiplying something times one.
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    But, when we do it we're going to change the way that we're representing it.
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    The denominator now, is going to be 1 times 100, so that's pretty straightforward.
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    That's just going to be 100.
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    And then the numerator, we're going to want to multiply 1.501 times 100.
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    And so, this is going
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    If we multiply this times 10,
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    we would move the decimal one over,
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    we want to be multiplied by hundreds,
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    we want to multiply by 10 again.
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    So we going to more the decimal over to the right twice.
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    We're multiplying it by 10, twice.
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    Or you're multiplying it by 100.
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    This is multiplying by 10,
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    this is multiplying it by 100.
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    So this is where the decimals are going to sit now.
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    So we're going to get 150.1
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    And so we've rewritten 1.501 as 150.1 over 100,
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    or 150.1 per 100.
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    Let me write that, 150.1 per... per 100
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    Which is the same thing as 150.1 per cent
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    Which is the same thing as 150.1%
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    And we're done.
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    And essentially what we are doing
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    - if you really want to simplify the process -
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    we're multiplying this by 100 to get 150.1
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    and then we're saying that is the percentage.
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    So you wanna make sure that you write % there or the % symbol.
Title:
소숫점을 퍼센트로 바꾸기 (연습 2)
Description:

Converting decimals to percents (ex 2)

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Video Language:
English
Duration:
01:48

Korean subtitles

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