If 95% of the scores on a test fall between 48 and 80 and are normally distributed. What is the mean score and the standard deviation of the scores? mean​

the one below it is a function

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%

=

x=0.8898305 is the answer to that equation