ratio = 70% : 30 % = 7 : 3
30% = 3⁄10
21 is 30% of 70
30 percent 'off' leaves 70 percent 'on'.70 percent of 199.99 = (0.7 x 199.99) = 139.993
To find 21 percent of a number, multiply the number by 0.21. In this instance, 0.21 x 70 = 14.7. Therefore, 21 percent of 70 is equal to 14.7.
If you use 30/100 of it you have 70/100 which is reduced to 7/10!!!!
70/30 = 7/3
70/100 = 7/10
21/30 x 100 = 70. Therefore, 21 is 70 percent of 30.
ratio = 70% : 30 % = 7 : 3
70% of 30= 70% * 30= 0.7 * 30= 21
If you want to know what a given number will be after you remove 70% of it, multiply the number by .3. If the original number is reduced by 70%, then 30% of it is left.
30% of 70 is 21 because 10% is 7
7/10
30% of 70 = 70*30/100 = 21
30% = 3⁄10
21 is 30% of 70