Can someone help me how to calculate 15% of R200

In two fractions have the same denominator but different numerators,which fraction is greater? give an example

Which function families have maximums and minimums? 1.)linear absolute value functions and exponential functions 2.) linear absolute value functions and quadratic functions 3.) linear absolute value functions and linear functions 4.) linear absolute value functions and constant functions

Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on