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Work

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December 31, 2009 9:05:00 PM

A computer system marked $800 is sold at a discount of 16%? and for what price did it sell?

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December 31, 2009 11:45:17 PM

Was $800 the discounted price or the price before the discount?
January 1, 2010 12:30:30 AM

And you ask this here why?
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January 1, 2010 12:41:24 AM

Its his/her homework, most likely still at school and doesnt understand the question.
January 1, 2010 4:23:27 PM

boonality said:
$672


Cool, but when I went to school we didn't have calculators. lol
January 1, 2010 10:22:19 PM

You dont need a calculator for this,

First part is working out the pecentage:

To do this convert the $800 to 100%=
800/100 = 8

Now that we know what 1% is equal to, we need to multiply it by 16 so that we can get the figure for 16%:
16x8= 128

So, 16% of $800 is $128

Now for the second part, we need to take this off the $800 to find what price it was sold for:

$800
- $128
= $672

When doing maths, its marked similarly to Chemistry, you will get something like 3 or more marks for the working out part and only one mark for the correct answer.
January 1, 2010 10:30:02 PM

Not having calculators in school when I grew up enabled me to do this simple project in my head. Why would I want to go through all that ?
May 17, 2010 6:47:46 AM

Boxa786 said:
You dont need a calculator for this,

First part is working out the pecentage:

To do this convert the $800 to 100%=
800/100 = 8

Now that we know what 1% is equal to, we need to multiply it by 16 so that we can get the figure for 16%:
16x8= 128

So, 16% of $800 is $128

Now for the second part, we need to take this off the $800 to find what price it was sold for:

$800
- $128
= $672

When doing maths, its marked similarly to Chemistry, you will get something like 3 or more marks for the working out part and only one mark for the correct answer.

Sounds a good way in dealing with such kind of exercises. Never used this way before. You are quite smark. :wahoo: 
!