Any time we have a:b:c, we can interpret that as: The fraction of the total which a is, isThe fraction of the total which b is, is The fraction of the total which c is, is ----------------- We have A:T:B = 1:3:4 So the fraction of the total which Andy gets is or . So is the FRACTION of the total which Andy gets. All we have to do is change the fraction to a percent. Divide 1 by 8, get 0.125, move the decimal two places right and put on a % Answer 12.5% Edwin