Answer:
14N+5
Step-by-step explanation:
Five years ago; Rose Nx
Amanda x
Now; Rose Nx+5
Amanda x+5=19
x=19-5=14years
Rose(NOW) =14N+5
It is tree times more value or 15 not sure
You times 4 by everything inside the parentheses, so the answer would be as follows. 16a + 20b - 12