Baka barrows 3000 to buy a piano. the simple interest owned at the end of 2yrs is 540. what's the annual interest rate on bakas loan for the piano a. 4.5%
b. 9%
c. 11.11%
d. 18%

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

what is the question you are asking?

19479 is the answer ^^