235.24 + 45.58 = 280.82
280.82/2 = 140.41
each check was for $140.41
12.78 because if you do ( 12 X .065 you get .78 which you then add to 12$ and get a total of 12.78
Answer:
n = 5
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
