Question 942090
For a rectangle,
{{{perimeter=2width+2length}}} .
Expressing perimeter, length, and width in cm,
if width=25, and perimeter is at least 460 cm,
{{{system(width=25,2width+2length>=460)}}}--->{{{2*25+2length>=460}}}--->{{{50+2length>=460}}}--->{{{2length>=460-50}}}--->{{{2length>=410}}}--->{{{length>=410/2}}}--->{{{length>=205}}}