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Lelechka [254]
3 years ago
6

Let p be the percent decrease in the price of a DVD recorder that is marked down from $500 to $400. Which proportion can be used

to compute p?
A. $500-$400/$400=p/100
B. $500-$400/$500=p/100
C. $400-$500/$500=p/100
D. $400-$500/$400=p/100
Mathematics
1 answer:
Effectus [21]3 years ago
3 0

The correct answer is C. $400-$500/$500=p/100.

The formula for percent change is as follows.

New - Old/ Old = Percent change.

With 500 being the old score, we would look for it to be subtracted and on the bottom. C is the only option that has that.

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