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OpenStudy (anonymous):
The temperature dropped from 75 degrees to 50 degrees. What was the percent decrease in the temperature?
33%
50%
66%
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terenzreignz (terenzreignz):
Okay... what's the actual decrease?
Like the difference?
terenzreignz (terenzreignz):
By how many degrees did it decrease?
OpenStudy (anonymous):
25 degrees and also the choices were exactly
33 1/3%
50%
66 2/3%
terenzreignz (terenzreignz):
Okay, it decreased by 25 degrees, yes.
Now, to get the percent decrease, divide 25 by the previous measure, 75, and multiply its quotient by 100 %
OpenStudy (binary3i):
(initial temp - final temp)*100/initial temp.
this will give you
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OpenStudy (binary3i):
eill give % change in temp
OpenStudy (anonymous):
thanks @binary3i @terenzreignz
OpenStudy (anonymous):
that was very simple and straightforward :) @binary3i
terenzreignz (terenzreignz):
No problem :)
OpenStudy (anonymous):
What is the sale price of a cell phone that is on sale for 15% off if the regular price is $75?
$60.00
$63.75
$64.25
I would say $60?
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OpenStudy (binary3i):
it is 75 - 15% of 75.
can you doi it now?
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