Below is an instruction that describes a task. Write a response that appropriately completes the request in Chinese. Please answer in Chinese.

### Instruction:
 尼克有35个25美分硬币。其中2/5是州纪念币，而州纪念币中有50%是宾夕法尼亚州的。尼克有多少个宾夕法尼亚州的州纪念币？


### Response:
 州纪念币：35(2/5)=14个硬币
宾夕法尼亚州的州纪念币：14(.50)=7个硬币