A license will be suspended for ____ for a second conviction of driving at a speed of 55 mph and more than 15 mph above the speed limit.

If you are driving 55 mph or faster and have exceeded the speed limit by 15 mph or more, and it is your second conviction within a year, you will lose your license for at least 60 days. The suspension may be in addition to other criminal penalties.
DMV Writen Test