Question 334455
(A) {{{2x + 2y <= 40}}}
{{{x + y <= 20}}}
(B){{{y <= -x + 20}}}
The solution is the region bounded by the line (including
the line), the y-axis and the x-axis
{{{ graph( 500, 500, -5, 30, -5, 30, -x + 20) }}}