Here's an example: Demitri wanted to buy a new television set. His old one had a diagonal measurement of 32 inches, but he wanted to buy a 50-inch diagonal set. The new television set would be

inches wider, measured diagonally.

To answer this question, you have to find the difference between the two TV sets. The new set would be 50 – 32 = 18 inches wider, measured diagonally.

Now try another: Carol found a part-time job to augment her scholarship. She was paid $13.45 an hour and was promised a 15-percent raise after three months. Business had been very poor during that period, and the owner of the business called Carol in to explain that he could afford only an 11-percent raise but would reassess the raise in the next quarter depending on how business was. With this raise, Carol's new hourly rate would be

Carol's new salary would be calculated at the rate of $13.45 times 11 percent, or

(to the nearest penny). If you want to calculate the amount of an 11-percent raise, you can multiply by 111 percent