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I suggest taking the estimated total of 115$ and convert it to 1 percent by dividing it by 100 to get 1.15$.
First you need to answer this question: 82.5 is what percent of 115? Then you need to subtract what you get from 100.
You could then multiply your 1% by each of your answer choices and which ever one that when added with the actual amount spent (82.50) equals 115 is the answer.
Sorry put the wrong percentage here is the actual answer I solved for what 82.5 percent of 115 was rather than 82.5 is what percentage.
Actual percentage is 71.73913043478261
first work out 115 - 82.5 Then as a fraction the error is this difference / 115 The percentage error is this value times 100.
Now subtract from 100
Therefore your answer is A
the error as a fraction is (115 - 82.5) / 115 Multiply this by 100 to give you the answer
its 28.2608696 @welsh so its 28.3
i understood it when you explained it @welshfella
jchick also had the right answer using a slightly different method
i kinda understood @jchick but then lost it when the other helpers were explaining it
yes sometimes 'Too many cooks spoil the broth!'
http://www.onlineconversion.com/percentcalc.htm If you ever need help with percentages this will help you.
Yes! lol you right @welshfella But still thanks @jchick :)
I gave him a medal because he put a lot of effort into it.
yes he did and btw thanks :)
I am a guy I know the last name is confusing.
Yall guys are both awesome but i only have one medal :(
I know and understand he showed you a better way to do it anyway. That is the more formal version. However I showed you one of the quick ways to do it. Both ways end up at the same place and both are viable as solutions. btw @welshfella I am going to fan you because maybe sometimes you can straighten out the more formal versions of solving problems. Having gotten my doctorate in math I just do it the quick way lol.
Lol :) @jchick
Wonder what was wrong with my explanation... :/