12 / 40 as percentage = (12 * 100) 40 = 30 %
Using algebra to solve this problem (12 + .25x = 30), the answer (x) is 72.
r = 30 30% of r = 30% of 30 = 9 so 9 is 75% of s so s = 12 so 50% of s = 50% of 12 = 6
40% + 30% = 70%
40% of 30 = 12
12/30 = x%, so 40%.
40%
40% of 30 equals 12 dollars
12 and 5
12 / 40 as percentage = (12 * 100) 40 = 30 %
"30 percent of 122 equals 85.4" is false. 30 percent of 122 equals 36.6.
Using algebra to solve this problem (12 + .25x = 30), the answer (x) is 72.
12% = 3⁄25
r = 30 30% of r = 30% of 30 = 9 so 9 is 75% of s so s = 12 so 50% of s = 50% of 12 = 6
40% + 30% = 70%
40% of 30 = 12
30%