In a charity triathlon, Mark ran half the distance and swam a quarter of the distance. When he took a quick break to get a drink of Gatorade, he was just starting to bike the remaining 20 miles. What was the total distance of the race? The total distance of the race was miles.

A carpentry class wants to make $260 to donate to charity. They decide to sell birdhouses for $16 each. After selling some birdhouses, they still need to raise $100. How many birdhouses did they sell?

A movie theater opened at 8:00am. In the first hour, 175 people purcahsed tickets. In the second hour, 20% more people purchased tickets than in the first hour. Each admission ticket cost $8.97. What was the total amount of money paid for all the tickets in the first two rows?

John needs a computer for his summer class. The computer costs $385 dollars but he gets a 30% student discount. What is the total amount he will spend on the computer?