Danny collects bottle caps and wrappers. He found 45 bottle caps and 38 wrappers at the park. Now he has 49 wrappers and 12 bottle caps in his collection. How many more wrappers than bottle caps does danny have now?
Danny found 45 bottle caps and 38 wrappers at the park. 
That means he started with 45 bottle caps and 38 wrappers. 
Now he has 49 wrappers and 12 bottle caps in his collection. 
That means he has 9 more wrappers than he started with, and he has 33 fewer bottle caps than he started with. 
That means he has 42 more wrappers than bottle caps.