Times are tough for peter the penguin and his hug a penguin business has been on the decline. Last year peter the penguin made $570 dollars from selling hugs. If he experienced a 20% decrease in sales how much did he make this year? A). $444 C).$472
B). $456 D).$498

Horace's speedometer reads 60 miles per hour, but during a road test he finds that he was actually driving 58 mph. what is the percent error in horaces speedometer?

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.