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

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.

answer:

3 bags of apples and 2 bags of oranges.

step-by-step explanation:

the answer is y < -3 or   y > 3

-3y > 7 + 2

-3 y > 9

y < -3