Most numbers used in business are based on 10 – commonly known as the decimal system. One dollar is $1.00 and a half-dollar is $0.50. Time, of course, is an exception because it's based on 12. The day ...

The passing of time is a big part of our life. You're born on a particular day of a month, in a year. We celebrate birthdays every year we get older. At school, there are set times for registration, ...