49 − 28 = 21 difference 21 / 28 x 100 = 75%
The percent of decrease is the amount it has decreased by. 49-28 is 21, so set up 21/49 to x/100. Cross multiply to get 2100 = 49x, then divide both sides by 49. From this you get about 42.857, so the percent of decrease is 42.857%.
(7 percent of 21) - (4 percent of 21) = 0.63
21 percent is 21% or 21/100.
30 percent of 28 is 8.4.
28 decreased by 25 percent = 21= 28 - (25% * 28)= 28 - (0.25 * 28)= 28 - 7= 21
75% X 28 = 21
75%
49 − 28 = 21 difference 21 / 28 x 100 = 75%
28 percent (1,470 x 100) / 5,250 = 147,000 / 5,250 = 14,700 / 525 = 588 / 21 = 28
The percent of decrease is the amount it has decreased by. 49-28 is 21, so set up 21/49 to x/100. Cross multiply to get 2100 = 49x, then divide both sides by 49. From this you get about 42.857, so the percent of decrease is 42.857%.
28 percent of 80 percent is 22.4 percent.
(7 percent of 21) - (4 percent of 21) = 0.63
21 percent is 21% or 21/100.
28 percent is 0.28
28 times 21 equals 588.
It is: 28-21 = 7