Expressed as a percentage, 72/80 x 100 = 90 percent.
90% of 72 = 90% * 72 = 0.9 * 72 = 64.8
21.6
60 questions.
72 / 90 = 0.80.8 = 80 percentThere is no more work to show.
80 x 0.1 = 8 students
Expressed as a percentage, 72/80 x 100 = 90 percent.
72/80 x 100 = 90 % 100 - 90 = 10 % which is the decrease from 80 to 72
22% of 80 students is 17.6 students.
The answer is 72.
= 72%
% rate = 90%=72/80 * 100%= 0.90 * 100%= 90%
(80*90) / 100 = 72
12.4%
90% of 72 = 90% * 72 = 0.9 * 72 = 64.8
10 percent off 80 = 7210% off of 80= 80 - (10% * 80)= 80 - (0.10 * 80)= 80 - 8= 72
80% increase.