If Lewis earns a total of $ 20 during 5 weeks of harvest How much money does he earn each week?
1) How much money does he earn each week? 
2) How much money does he earn in total during 5 weeks?

To solve this problem, we need to find how much money he earns each week. We can do this by dividing the total amount of money he earns by the number of weeks. 

$20 / 5 weeks = $4 per week