Step B would be correct because you trying to find the total number of hours she reads in 8 days and not the difference. <span />
1 yard = 0.9144 meters
1 yard * 10 = 0.9144 meters * 10
10 yards = 9.144 meters
9.144 meters
6 divided by 2 and 1 forths is going to be 8 out of 3
4.
4^3 = 64
64X64 = 4096
4^6 = 4096
