The equation is
.
Solve the equation
for k.
Multiply each side by 100.
\
Apply distributive property :
.


Subtract 150 from each side.
\


Divide each side by 11.
\
Cancel common terms.
\
.
To check the solution, substitute the value of
in the original equation.


.
The above statement is true, so the value of
is the solution of original equation.
The value of
.