Mrs. Black, Mrs. Green and Mrs. Gray are in the library. Mrs. Black noticed that the colors of thither 3 hats were the same as their 3 names, but no one was wearing a hat that matched the color of her name. When she told the others this, the woman wearing the green hat told her to be quiet. Which women was wearing the black hat?

Step-by-step explanation:

https://math.stackexchange.com/questions/2182228/ms-black-ms-blue-and-ms-green-is-there-really-a-unique-answer

incomplete question. how do you expect anyone to you when you do not post the question in its entirety?

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.