Here it is again. Please help me

Answer:
First question: A, Second question: B
Step-by-step explanation:
0.5= 1/2
0.25= 1/4
0.4= 2/5
Now, insert these numbers, as fractions, back into the equation:
[tex]\frac{1}{4}- \frac{1}{2}+ \frac{1}{2}- \frac{1}{4}+ \frac{3}{5}+ \frac{2}{5}[/tex]
Following PEMDAS you will get 1 as your answer.