The marked price of a radio is 25 % above the selling price and the cost price is 30 % less than its marked price. Find the discount percent and gain percent

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?