When the legal speed limit for the new york thruway was increased from 55 mi/h to 65 mi/h,
how much time was saved by a motorist who drove the 700 km between the buffalo entrance and
the new york city exit at the legal speed limit?

Explanation:

Initially legal speed to move through the drive way is 55 mi/h

so it is given as

final legal speed is given as

now we know that time taken to cover the distance of 700 km is given by the formula

so initially time taken to cover that distance is

Now if legal speed is increased then the time taken to move through same distance is given as

so total time saved is given as

waste

explanation:

it takes about 30 days for it to break down