Answer:
the formula is efficiency = output / input × 100%
The time taken by traveler to cover the distance is,

Substitute the known values,

Therefore, the time taken by traveler to cover the distance is 89.3 s.
Earth's distance from the sun doesn't change enough to cause seasonal differences. Instead, our seasons change because Earth tilts on its axis.
hope it helps.
Resistance reduces the current. If there is more resistance, there is less current.