Need help on the test can you please help

Somone me i want to know what 18 hours out of 24 hours in a fraction

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15