1.1538
21 = 0.7142857142857143
15
0.8667
92.8571428571%
x/13 = 15 x = 15(13) x = 195
13/10 = 130/100 = 130% (percentage can be seen as "divided by 100")
86.67%
7.5
Divide the fraction. 13/15 divided is 0.87
15.8462
Given (15-x)/2=7/13 , the answer is 181/13 or 13.923 Given 15- (x/2)=7/13, the answer is 376/13 or 28.923
% rate:= 13/15 * 100%= 0.8667 * 100%= 86.67%