4.25
It's three and one half hours.
730
730
30%off of 730 = 730 - (0.3 x 730) = 511
730% = 730/100 which can be simplified to 73/10
10 percent of 730 is equal to 730/10, or 73.
Around 2 and a half hours.
730 = DCCXXX
730 is divisible by 10
3x-730 = -727
730.
730-35 = 695