If the tire of a car rotates at a constant speed of 552 times in one minute, how many times will the tire rotate in half-an-hour?
One in every 9 people in a town vote for party A. All others vote for party B. How many people vote for party B in a town of 810?
A motorcycle cost $7,250. If it depreciates by 12% per year, how much will it be worth after one year?
A faucet gives 20 gallons of water in 5 seconds. How many gallons does it give in 7 seconds?