The price to mail a letter at the post office is $.49 for the first ounce and $0.21 for each additional ounce. Ann paid $1.96 to mail his letter. How much did the letter weigh?

answer: your correct answer is b. d.

step-by-step explanation:

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%

there is no picture in order for this question to be answered