Answer:
-1.5
Step-by-step explanation:
-1.25 - (0.25)
1. Put the negative sign (-) in the parentheses
-1.25 - 0.25
2. Subtract the two numbers
-1.25 - 0.25 = -1.5
Lucy subtracted the two numbers instead of seeing that the 0.25 has to be negative as well.