Roya earns

after school tutoring a peer.

Which of the following illustrates the idea of an additive inverse?

Responses
A Roya then earns 15 dollars at home completing chores.
B Roya then spends 10 dollars on a snack.
C Roya then spends $15 dollars at the movie theater.
D Roya then keeps the $15
and does not earn or spend any more money.

B Roya then spends 10 dollars on a snack.