How do I do this I need a little help

How do i do this? i don’t understand

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?

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.