If 8 is added to twice number and this sum is multiplied by 3, the result is the same as if the number is multiplied by 4 and 10 is added to the product, what is the number

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?