In a business environment, you may be expected to communicate sums, numbers, dates, times, percents, and fractions. Make sure you know the correct way to use numbers in your writing. Correct usage of numbers will minimize confusion and miscommunication.

Which sentence uses numbers correctly?

a. Ninety people voted yes after Bill’s persuasive speech on market changes and company growth.

b. 90 people voted yes after Bill’s persuasive speech on market changes and company growth.