C = 11m c + m = 60
Substitute
11m + m = 60
12m = 60
m = 5
This is the solution to the system of equations.
1st Answer: x=1
2nd Answer: y=1
The answer is 22063 bill?????.
In an equilateral triangle the radius of inscribed circle is equal to

, so

and

.
The area of this equilateral triangle is

square units.