280 as a percentage of 350 is 80%
350*80/100 = 280350/10*8 = 280
(280/80)x100 = 28000/80 = 2800/8 =350%
ratio = 280 : 350 =4 :5
330
The difference is in the engine 330 is bigger than 350'
350 - (20%) = 280
80% of 350 = 80% * 350 = 0.8 * 350 = 280
350:280
350
350:280
Let's say that 350 is 100%10% = 3520% = 70Answer = 350 - 70 = 280 = 80%