By rounding each number to 1 sf estimate the answers to 23.4 x 13.9/ 0.18

$450

step-by-step explanation:

first, you have to multiply 150x2=300

next, you have to add 150+300= 450

x = -5

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%