Question about Office Equipment & Supplies

My math book said to find what percent 90.2 is of 164, but I don't know how to find it.

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Posted on Jan 02, 2017

Ten percent of 5mls is .5mls.

Feb 19, 2017 | The Computers & Internet

It depends on how much the test counts in your total grade. If the test is one-half of the grade then you'll be at 55.5%. If the test is one-third of the grade then you'll be at 65.67%. If the test is one-quarter of the grade then you'll be at 70.75%.

Dec 05, 2014 | Harcourt Houghton Mifflin Harcourt...

relative change =(new value=old value)/old value.

To convert to percent, multiply the decimal number by 100 and append the % sign.

To convert to percent, multiply the decimal number by 100 and append the % sign.

May 09, 2012 | MathRescue Word Problems Of Algebra Lite

The answer is 2.82%

There's a great calculator online which will help you figure all percentages out :)

Here's the link

http://math.about.com/library/weekly/aa061502a.htm

There's a great calculator online which will help you figure all percentages out :)

Here's the link

http://math.about.com/library/weekly/aa061502a.htm

May 04, 2012 | iPhone Apps

this is not a site for maths. The percent will not change as you know! please do not use this site for elementary school maths!!

Sep 12, 2011 | Computers & Internet

Your teacher has 64 old math books.

Define the variables:

n = the total number of books x + y = the number of books divided into two groups (x being one set of books and y the other)

Equation set-up from the problem:

64(x - y) = x^2 - y^2

Work it out:

64(x - y) = (x + y)(x - y)

__64(x - y)__ = __(x + y)(x - y)__
(x - y) (x - y)

64 = (x + y)

Therefore, 64 = n

Define the variables:

n = the total number of books x + y = the number of books divided into two groups (x being one set of books and y the other)

Equation set-up from the problem:

64(x - y) = x^2 - y^2

Work it out:

64(x - y) = (x + y)(x - y)

64 = (x + y)

Therefore, 64 = n

Sep 18, 2010 | Computers & Internet

Hi. Try this steps on using your math calculator for the percentage function.

Hope This Helps

Step 1. Note that not all calculators behave the same way as far as the percentage key is concerned. Thus, test the examples in this article on your calculator. If your calculator does not have the percent key or does not behave in the way described here, don't despair - you can still use it to calculate percentages, it's just that you will have to press a few more buttons.

Step 2. Let's calculate a tip on your restaurant bill. Suppose your bill happens to be $64.35 and you would like to leave 15% tip.

Type the following into your calculator: 64.35 * 15 %

Answer: 9.6525 or $9.65 after rounding.

Most simple calculators will give an answer right here without having to press the = sign. If yours does not, press = and see if you get the right answer.

Alternatively, you can calculate this percentage by typing in

64.35 * 15 / 100 or 64.35 * 0.15

Thus, you may have observed that all that the percent key did here was division by a hundred.

Step 3. Let's calculate a grade percentage - say you got 34 out of a maximum of 40 points.

To figure out your grade percentage type in: 34 / 40 %

Answer: 85

Alternatively, without the percent key: 34 / 40 * 100

Step 4. Let's calculate a sale price on those shoes that originally cost $139, but are now discounted by 35%.

On your calculator type in: 139 - 35 % =

Answer: 90.35 or $90.35

This calculation is amazingly easy with the percent key! Alternatively, you would first have to calculate what the 35% of the $139 is and then subtract it from 139:

139 * 35 / 100 = 48.65

139 - 48.65 = 90.35

Hope This Helps

Hope This Helps

Step 1. Note that not all calculators behave the same way as far as the percentage key is concerned. Thus, test the examples in this article on your calculator. If your calculator does not have the percent key or does not behave in the way described here, don't despair - you can still use it to calculate percentages, it's just that you will have to press a few more buttons.

Step 2. Let's calculate a tip on your restaurant bill. Suppose your bill happens to be $64.35 and you would like to leave 15% tip.

Type the following into your calculator: 64.35 * 15 %

Answer: 9.6525 or $9.65 after rounding.

Most simple calculators will give an answer right here without having to press the = sign. If yours does not, press = and see if you get the right answer.

Alternatively, you can calculate this percentage by typing in

64.35 * 15 / 100 or 64.35 * 0.15

Thus, you may have observed that all that the percent key did here was division by a hundred.

Step 3. Let's calculate a grade percentage - say you got 34 out of a maximum of 40 points.

To figure out your grade percentage type in: 34 / 40 %

Answer: 85

Alternatively, without the percent key: 34 / 40 * 100

Step 4. Let's calculate a sale price on those shoes that originally cost $139, but are now discounted by 35%.

On your calculator type in: 139 - 35 % =

Answer: 90.35 or $90.35

This calculation is amazingly easy with the percent key! Alternatively, you would first have to calculate what the 35% of the $139 is and then subtract it from 139:

139 * 35 / 100 = 48.65

139 - 48.65 = 90.35

Hope This Helps

May 30, 2010 | Computers & Internet

To figure out the percent, you simply divide your number by 100. Or, multiply your number by .xx (xx being whatever percent you want to find).

For example, if I want to know what 20% of 50 is, I would enter this:

.20 x 50 =

The answer is 10. So, 10 is 20% of 50.

As for the divide button, look for a "/".

If this helps, please take the time to give this response a positive rating. Thanks!

For example, if I want to know what 20% of 50 is, I would enter this:

.20 x 50 =

The answer is 10. So, 10 is 20% of 50.

As for the divide button, look for a "/".

If this helps, please take the time to give this response a positive rating. Thanks!

Mar 18, 2009 | Office Equipment & Supplies

I bought a classpad 300 plus but I dont know how to operate it. I saw some books for classpad 300 and I really want to buy some. However everytime I try to buy, there is always a classpad that goes with the books . Can I buy books for classpad with out buying a calculator anymore?

Sep 13, 2007 | Casio ClassPad 300 Calculator

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