Jack received 20 emails and sent 20 letters in the morning. He then received 2 emails and sent 38 letters in the afternoon. How many emails did Jack receive in the day?
In the morning, Jack received 20 emails and sent 20 letters. 
In the afternoon, Jack received 2 more emails and sent 38 more letters. 

So, Jack received a total of 22 emails in the day.