Shamya bought a bag of apples for $6.23. she also purchased 2 apple pies she gave the cashier a $20.00 bill . she got $.13 back in change how much did she pay for each of the apple pies

If she gave $20.00 and got $0.13, that means her total cost was $19.87.
Subtract the bag of apples that cost $6.23 and you get $13.64.
Since she bought 2 apples pies, divide the remaining amount by 2 and you get $6.82. 
That means your answer is $6.82 per apple pie. 

She paid $6.82 per pie