Author Topic: if 20% of a sum is $200.80, what is the sum?  (Read 781 times)

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Offline community

if 20% of a sum is $200.80, what is the sum?
« on: March 12, 2013, 09:32:05 PM »
if 20% of a sum is $200.80, what is the sum?



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if 20% of a sum is $200.80, what is the sum?
« on: March 12, 2013, 09:32:05 PM »

Offline debby

Re: if 20% of a sum is $200.80, what is the sum?
« Reply #1 on: March 13, 2013, 08:37:58 AM »
if 20% of a sum is $200.80, what is the sum?

Let the sum be x
therefore 20/100 multiply by x = $200.80

this is still the same as 2/10 multiply by x = $200.80
= 2x/10 is equal to $200.80
   2x =  $2008
     x =  $2008/2
     x =  $1004
therefore the sum is  $1004

Offline Sub5

Re: if 20% of a sum is $200.80, what is the sum?
« Reply #2 on: March 17, 2013, 01:00:53 PM »
Yea the sum is $1004, Nice one debby

All Student Forum

Re: if 20% of a sum is $200.80, what is the sum?
« Reply #2 on: March 17, 2013, 01:00:53 PM »

Offline community

Re: if 20% of a sum is $200.80, what is the sum?
« Reply #3 on: March 19, 2013, 08:18:54 PM »
Thanks debby, i am grateful :clap:

 

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