1.seven thirty hours
2.five hours thirty minutes
3.nineteen hours forty five minutes
4.seven hours forty-five minutes
5.twenty three hours forty five minutes
6.eleven hours fifty minutes
7.nineteen hours ten minutes
8.seven hours ten minutes
9.twenty hours fifty-five minutes
10.eight hours fifty-five minutes
11.thirteen hours twenty-five minutes
12.one hour twenty-five minutes
13.six hours fifty minutes
14.twenty-two hours fifty minutes
15.fourteen hours fifty-five minutes
16.two hours fifty-five minutes
17.nineteen hours
18.seven hours