Danny collects bottle caps and wrappers. He found 22 bottle caps and 8 wrappers at the park. Now he has 28 bottle caps and 63 wrappers in his collection. How many bottle caps did danny have at first?
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Danny found 22 bottle caps and 8 wrappers at the park. 
That means he had 22 bottle caps to start with, and he found 8 more. 
That means he had a total of 30 bottle caps.