Danny collects bottle caps and wrappers. He found 9 bottle caps and 15 wrappers at the park. Now he has 25 bottle caps and 10 wrappers in his collection. How many bottle caps did danny have at first?
Danny found 9 bottle caps and 15 wrappers at the park. 

That means he had 9 bottle caps to start with, and he found 15 more. 

Now he has 25 bottle caps and 10 wrappers in his collection. 

That means he has 25 bottle caps and 10 wrappers in total. 

So, if we put it all together, Danny had 9 bottle caps and 25 wrappers in his collection at first.