Drivers Ed question

Brake lights (stop lamps) are used to warn drivers behind you that there may be potential hazards ahead and that they should be prepared to stop. The
lights automatically switches on when you step on the brake pedal. They are normally visible from a distance of ...... feet to the rear both during daylight
and nighttime. Vehicle of a certain size may be required to be equipped with clearance lamps normally visible from a distance of ...... feet during these
times
A at least one, 100
Btwo, 300
C300, 500