A radio station's signal has a radius of 100 miles. If you drive at a constant speed of 40 miles an hour, nonstop, directly across the diameter of the signal, how long can you listen to the station before the signal fades?
Paul is two years younger than Patricia. Daniel is 25% older than Patricia. Ten years ago, Daniel was 50% older than Patricia. How old is Paul currently?
The cost of making a shirt is half of what the shirt normally sells for. Today, however, the shirt is on a 15% discount from its normal price. What is the current price of the shirt?