Answer:
-.51, .1/2, .42, 11/20
Step-by-step explanation:
First, find 12 percent of 1,150,
12 percent of 1,150 = 138.
Now, add 1,150 + 138,
1,150 + 138 = 1,288
Hope I helped, if not, at least I tried.
The greatest common factor of 4 and 19 is 1