50 + 50 + 94 + 94 = 288
94 + 94 = 188...
2 + 94 = 96
-39 + 94 = 55. When you see a problem such as this flip it around. Instead of seeing that negative symbol and freaking out make the problem the subtraction problem it is: -39 + 94 is the same as 94 -...
47+47=94