A school has 480 students. If they are divided into 12 equal classes, how many students are in each class? If 3 students leave each class, how many students remain in total?

A farmer harvested 2,400 apples. He wants to put them into bags of 40 apples each. How many bags can he fill? If he sells 15 bags, how many apples does he have left?

A toy store has 1,500 toys. If they sell 250 toys each week, how many weeks will it take to sell all the toys? If they receive a new shipment of 600 toys after 3 weeks, how many toys will they have then?

A library has 3,600 books. If they organize them into shelves with 90 books each, how many shelves do they need? If they donate 5 shelves worth of books, how many books do they have left?

A concert hall has 2,000 seats. If 1,250 tickets are sold, how many seats are still available? If they add 300 more seats, what is the new total number of seats?

A factory produces 1,800 toys in a day. If they work 5 days a week, how many toys do they produce in a week? If they increase production by 200 toys each day, how many toys will they produce in the next week?

A gardener planted 1,200 flowers in 15 rows. How many flowers are in each row? If 4 flowers die in each row, how many flowers are left in total?

A restaurant serves 1,200 meals in a week. If they serve 300 meals each day, how many meals do they serve on the weekend? If they increase their daily meals by 50, how many meals will they serve in the next week?