Answer:
1) 60 miles per hour (60.00, if rounded)
2) 152 customers per day (150, if rounded)
3) 3.5 meters per second (3.50, if rounded)
4) 1.48 dollars per pound (1.48, if rounded)
5) 0.4825 dollars per pair (0.48, if rounded)
( shown work in screenshots, 1-5; magnify it to see better :D )