Gary is riding from town a to town b. if he rides at a speed of 10 km per hour, he can reach town b at 13: 00. if he rides at a speed of 15 km per hour, he can reach town b at 11: 00. if he wants to reach town b at 12: 00, at what speed should he ride in km/h?

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%

  answer:

  write 548 as 500 + 40 + 8. multiply each addend by 5. then add the three products to get 2,740.