Question 30510
{{{50 >= t + a >= 20}}}
[1] {{{t + a <= 50}}}
[2] {{{t + a >= 20}}}
number of aides is less than or equal to 2X number of teachers
{{{a <= 2 * t}}}
[3] {{{t >= a/2}}}
there must be at least 12 teachers
{{{t >= 12}}}
{{{ graph( 280, 280, -5,60, -5,60, 20-x,50-x,x/2,12) }}}
12 teacher and 5 aides will not be enough. There must be at least 20 faculty