The price reduction, rounded to the nearest whole percent is [tex]17[/tex]%.
What is whole number?
The whole numbers are the part of the number system which includes all the positive integers from 0 to infinity. These numbers exist in the number line.
What is Percentage?
In mathematics, a percentage is a number or ratio that can be expressed as a fraction of 100. If we have to calculate percent of a number, divide the number by the whole and multiply by 100. Hence, the percentage means, a part per hundred. The word per cent means per 100. It is represented by the symbol “%”.
According to question, an electronic device that previously sold for $[tex]21[/tex] has been reduced to [tex]17.43[/tex]
We have to find the price reduction, rounded to the nearest whole percent .
So percentage reduction
[tex]=\frac{21-17.43}{21}[/tex]×[tex]100[/tex]%
[tex]=0.17[/tex]×[tex]100[/tex]%
[tex]=17[/tex]%
Hence, price reduction, rounded to the nearest whole percent is [tex]17[/tex]%.
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