find the rule of increasing and decreasing the sequence of numbers: 12, 13, 8, 10, 11, 7, 14, 11, 18, 10, 8, 11, ...

3

step-by-step explanation:

two? xd

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%

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