Emily started with 15 tokens. she used 6 to play video games. on her way to purchase a drink she found a token. hailey lost all her tokens so emily gave her half of hers. write an expression to show how many tokens emily has left.

Emily started with 15 tokens and used 6...

15-6 (=9)

On her way to purchase a drink, she found a token.

9+1 (=10)

She gave Hailey half of her remaining tokens, which means she has half left.

10/2 (=5).

She has 5 remaining tokens, derived from (15-6+1)/2