anonymous
  • anonymous
some one plz help what is 6 reduced by 20%???
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
when some one speaks of percentage, what number are they referring to?
anonymous
  • anonymous
6
anonymous
  • anonymous
no, a percent refers to 100

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anonymous
  • anonymous
you have to give 100%
anonymous
  • anonymous
no my question ask The photo lab for the Cary News reduces each side of a photograph by 20%. The original size of the photo is 6 inches by 9 inches. What are the dimensions of the reduced photo?
anonymous
  • anonymous
I understand your question. But you first have to understand what a percentage is to answer the question
anonymous
  • anonymous
Take a dollar bill. It is 100 pennies, right? So how much is 20%
anonymous
  • anonymous
i dont know im sorry i am not good with percents :(
anonymous
  • anonymous
if one dollar is 100 pennies, then 100% of one dollar is 100 pennies. Do you follow that?
anonymous
  • anonymous
yes
anonymous
  • anonymous
So the key to understanding this problem, or any problem with percentages is to know that percent refers to 100
anonymous
  • anonymous
So if you take 20% from 100% how much is left?
anonymous
  • anonymous
80
anonymous
  • anonymous
Great
anonymous
  • anonymous
Know, how do we write out one dollar?
anonymous
  • anonymous
1.00
anonymous
  • anonymous
that 1 is 100%
anonymous
  • anonymous
oooh ok i kinda understand now
anonymous
  • anonymous
if we took one penny away we would have 99 cents 0.99
anonymous
  • anonymous
So how would you write 80%
anonymous
  • anonymous
0.80
anonymous
  • anonymous
Yes, good job
anonymous
  • anonymous
So now you are ready to do the problem
anonymous
  • anonymous
ok
anonymous
  • anonymous
now you have 6 and you want to take 20% away. So, you can multiply by 80%
anonymous
  • anonymous
ok 5.80??
anonymous
  • anonymous
Multiply 6 * 80% like you wrote it
anonymous
  • anonymous
No, not quite. You subtracted .20 cents not 20%
anonymous
  • anonymous
4.8
anonymous
  • anonymous
Yes, great job
anonymous
  • anonymous
Now do the same for the 9
anonymous
  • anonymous
multiply it by 80??
anonymous
  • anonymous
80%
anonymous
  • anonymous
7.2
anonymous
  • anonymous
yes, good job
anonymous
  • anonymous
so you now have your two new dimentions
anonymous
  • anonymous
thank you i never understood how to do percent problems thank you :)
anonymous
  • anonymous
k bye gtg thx again :)
anonymous
  • anonymous
:)

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