Consider the following sentences. (a) vybrp(x, y) (b) vr3yp(,y) under the interpretation where a and y range over the integers and p(z, y) is the predicate "x2 y", state whether each sentence is true or false and give a short explanation of why. no marks without explanations.] [6)

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%

14 x 10 5

step-by-step explanation:

10 5 = 100,000

14x10,000 = 140,000

66% of the price that was mark on the bottom