Answer:
2/5
Step-by-step explanation:
you have to reduce each number by 6
Answer: 15
Step-by-step explanation: 40 x 0.25 = 10 then 10 - 25 = 15
-5/8
.....................
Okay, here we have this:
Considering the provided information, we are going to identify wich equation applies, so we obtain the following:

Where x represents the uknown number. Then finally we obtain that the correct equation is the third one.
Now, let's find the missing number solving the equation:

Finally we obtain that the number is equal to 19.