Answer: A
Step-by-step explanation:
she earned 8.10 dollars babysitting
8.10
and spent 6 and a half dollars on movie tickets
-6.50
put them together
8.10 - 6.50
you can also say you’re adding negative 6.50 dollars to your balance of 8.10 because adding a negative number to a positive one is the same as subtracting 2 positive numbers
