(a) Prove that 7685.33 seconds is 2 hours 8 minutes 5.33 seconds.
(b) Which is faster: 100 mph or 150 ft/s?
(c) Gina's salary is 1 cent/second for the 40 hour work week. Tiare's salary is $1400 for the 40 hour work week. Who has the higher salary?
(d) Assume it takes 180 credits to get the baccalaureate degree. You collect credit at rate of one credit per quarter for each hour which class meets per week. For example, a class which meets three hours each week of quarter will count for three credits. Additionally, assume that you spend 2.5 hours of study outside of class for evary hour in class. Quarter is 10 weeks long. Find total hours, comprising time spent in class and time spent studying out of class, should you in vest to get the degree?
Sarah can bicycle the loop around north part of Lake Washington in 2 hours and 40 minutes. If she can raises her average speed by 1 km/hr, it would decrease her time around loop by 6 minutes. Find how many kilometers long is the loop?