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How do you do long division

I need to know how to work percent change 28 minus 87 divided by 87

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dinkar_khurp

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Step 1:

do 28 - 87

Step 2:

divide by 87

Posted on Mar 17, 2013

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I need a quick cheat sheet for estimating profit on a construction project. I need it to show a given dollar amount times 1.1 = what %, times 1.2 = what percent and on up the scale.


Percent is just one divided by 100, then multiply. That's why the symbol looks like a division by 00. So just move the decimal point over three places, or .001 and .0012 and multiply. Or the easy way is to google 1.1 percent and 1.2 percent.

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What is the percent of change in 40 is decreased to 18


(40 minus 18) divided by 40.
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How do I dived 9 dived by -1 5/7


1and 5/7 ==1.7142 (5/7 to get decimal point=.7142)

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Enter the numerator 1EE (-) 14, press the division key / then enter the 5 EE (-) 12. Press the = sign.
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I raised $948,963 last year. I raise $ 817,430 this year. Is that 9% less raised this year>


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The percent of 140 from 762.90 = ?


Sorry to say, soweeto54, but that question you've posted does not make much sense. It can be interpreted in three different ways, neither of which can be gleamed with much confidence. Yet I will still offer you three valid answers for your TI-83,

"The percent of 140 from 762.9 =". The troublesome part is the "from". Percents questions should be written in terms of "is" and "of".

TWO INTERPRETATIONS.

RESPONSE 1. The question could be read as "what percent of 762.9 is 140?". To do this on your calculator you simply do 140 divided by 762.9. From there, you simply move the decimal point two digits to the right to convert it into an equivalent percentage. So, that should be [1][4][0] [/] [7][6][2][.][9] [=] on your TI83. This was an example of a "percent of" question.

RESPONSE 2. The question could be read as "what percent of 140 is 762.9?" To have your TI83 calculate this you simply do 762.9 divided by 140. Of course, you will then need to move the decimal over two spots to the right in order to turn it into an equivalent percentage. Yes, it probably is strange to think of a number being more than 100 percent of another but it is a valid statement which occurs in the real world every single day. Nonetheless, for your TI83 you just press [7][6][2][.][9] [/] [1][4][0] [=]. This was another example of a "percent of" question. In fact, this is just the decimal reciprocal of the previous answer.

RESPONSE 3. The question could also be read as "140 from 762.9 will leave me with what percentage?" IE, 762.9 minus 140 will yield a number which is "x" percent of the original. Here, you would just do 762.9 minus 140, then you would take that answer and divide it by 762.9. From there, you'd do the old usual and move the decimal over two spots to the right for a percentage result. So, for your TI83 you'd do [(] [7][6][2][.][9] [-] [1][4][0] [)] [/] [7][6][2][.][9] [=]. Viola. This was an example of a "percent change" question. In fact, this is just the complement to response number one.

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