As you know 30/45 = 6/9
So a = 9 makes the equation true
This is the answer to 67,473 divided by 32. I hoped this helped. I used colors to hopefully help you more.
1.6*100/0.95=168% 1.6 to 0.95
0.95*100/1.6=59% 0.95 to 1.6
The answer is 200 because you multiply 20x12 you get 200