Determine the intercepts of the line.

Combined megan and kelly worked 60 hours. kelly worked twice as many hours as megan. how many hours did they each worked?

1. during first 10 seconds 2. between 10 seconds and 35 seconds 3. during 35 seconds to 40 seconds

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?