A tree has ten apples grown on it. Two apples fall off, and another is eaten by worms. How many apples remain on the tree?

Today is Michael’s birthday. Two years ago, Michael celebrated his fifteenth birthday. How old will Michael be in another two years?

A store is selling all shoes at half-price today with a tax of five dollars per pair added onto the price. If the pair of shoes you want normally costs sixty dollars without tax, what is the total price you would pay for it today?

A train is traveling at seventy kilometers per hour between two cities. The total distance between the cities is three hundred fifty kilometers. The train makes one thirty-minute stop during the trip. How much time does the total trip take?

Four hundred people are at a concert. After one hour, one-fourth of the audience leaves. After another hour, one-third of the remaining audience leaves. After another hour, one-half of the remaining audience leaves. How many people in total have left the concert?