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∙ 2012-11-18 19:03:43Expressed as a percentage, 280/400 x 100 = 70 percent.
70% of 400= 70% * 400= 0.7 * 400= 280
(1-0.30)*400 0.7*400 280 ■
70% of $400 = 70% x $400 = 0.70 x $400 = $280
280 To find percentages, just take 30% and multiple it by $400: .30 x 400 = 120 Then take 120 and subtract it from 400: 400-120= 280
30% of 400 is 120 and so 400-120 = 280 pounds
680... Think of it like 70 percent of 100 is 70. So times this by 4 equals 280. So plus 280 to 400 and youve got 680!
30% off of 400 dollars = 70% of 400 dollars = 400*70/100 = 280 dollars
$400 - 30% = 400 x (1 - (30/100)) = 400 x 0.7 = 280 dollars.
10.25 percent of 280 .1025*280 28.7
23.5 percent of 280 is 65.8
26 percent of 280 is 72.8.