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Brums [2.3K]
3 years ago
13

A stereo that normally sells for $125 is on sale for $90. By what percent has the price of the stereo been reduced?

Mathematics
2 answers:
omeli [17]3 years ago
8 0
28%
so you subtract $90 from $125 and that gives you $35, then you must determine the percentage by trial to see what percent that $35 is of $125, you can tell by looking that it will be near to a third or 33%, but not quite that much, so work backwards from there and try 30% and because that is just a bit more that $35, reduce and try a smaller percentage, 28% of 125 is exactly $35 
morpeh [17]3 years ago
6 0
The answer is approximately 28%
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Description

DescriptionIn mathematics, a zero of a real-, complex-, or generally vector-valued function, is a member of the domain of such that vanishes at; that is, the function attains the value of 0 at, or equivalently, is the solution to the equation. A "zero" of a function is thus an input value that produces an output of

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