(280/80)x100 = 28000/80 = 2800/8 =350%
280 in a percentage = 28000%
350*80/100 = 280350/10*8 = 280
ratio = 280 : 350 =4 :5
350 - (20%) = 280
35% of 280.
270 + 280 + 330 + 350 + 740 = 19701970 / 5 = 394
80% of 350 = 80% * 350 = 0.8 * 350 = 280
350:280
350
Expressed as a percentage, 280/400 x 100 = 70 percent.
Expressed as a percentage, 280/800 x 100 = 35 percent.