Question 932951


temperature between 150° and 250°c, inclusive

{{{150<= 30 + 25(X -3)<=250 }}}

{{{150<= 30 + 25X -75<=250 }}}

{{{150<=  25X -45<=250 }}}

{{{150+45<=  25X -45+45<=250 +45}}}

{{{195<=  25X <=295 }}}

{{{195/25<=  25X/25 <=295/25 }}}

{{{7.8<=  X <=11.8 }}}