Answer:
-$45
Explanation:
INTERGER can said to represent a whole number in which this numbers can either be a positive INTERGER or a negative INTERGER. Therefore Based on the information if after using his bank card, his bank account was debited with the amount of $45 which means that the $45 that was debited will represent a NEGATIVE amount because it has lessen the amount in his bank account.
Therefore to represent the amount of $45 that was debited from his bank account using an INTERGER it will be -$45.