When 40 is decreased by 30% the result is 28.
40
Let that number be x. So we have, x - 0.3x = 28 0.7x = 28 7x = 280 x = 40 Check.
7 is 25% of 28
28 % = 28/100 = 7/25
When 40 is decreased by 30% the result is 28.
212 decreased by 28 percent = 152.64212 decreased by 28 percent= 212 - (28% * 212)= 212 - (0.28 * 212)= 212 - 59.36= 152.64
28% decrease.
40
66 decreased by 28 percent = 47.52 66 decreased by 28% = 66 - (28% * 66) = 66 - (0.28 * 66) = 66 - 18.48 = 47.52
To convert 7/25 to a percent, divide 7 by 25 and then multiply by 100. The result is 28%.
39 - 28% = 28.08
To find 40 decreased by 70 percent, first calculate 70 percent of 40, which is 28 (0.70 × 40 = 28). Then, subtract this value from 40: 40 - 28 = 12. Therefore, 40 decreased by 70 percent equals 12.
28 - 150% = -14
Let that number be x. So we have, x - 0.3x = 28 0.7x = 28 7x = 280 x = 40 Check.
0.28 - 18.4 = -18.12
28% of 25 is 7.