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Roman55 [17]
3 years ago
11

Dustin bought a dvd player that was markrd doen from 150 to 100 find the percent of decrease

Mathematics
1 answer:
cricket20 [7]3 years ago
4 0
It was 150, went down to 100, so it went 50 bucks.

now, if we take 150 as the 100%, what is 50 off of it in percentage?

\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
150&100\\
50&p
\end{array}\implies \cfrac{150}{50}=\cfrac{100}{p}\implies p=\cfrac{50\cdot 100}{150}
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