Which data display compares one set of data with a small range of values

yes. we do proportions in probabilities.

answer:   expression= p+p*d%

price reduction + sale price = $625

sale price: $p+$p*d%

where d% is the percentage of discount

step-by-step explanation:

original price = p

price went down by $150 price reduction $p*d%

sale price= $ 475

therefore the price before sale is: $625

and the expression that shows the price before sale is: p+p*d%

step-by-step explanation:

is their an equation anywhere i can take a   look at it and see if i am right.

i need points

step-by-step explanation: