Solve equations by substitution and determine whether there is one solution, no solution, or infinite solutions
-2.6x+2.5y=-24.1
5.2x-5y=49.2

21

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%