Question 1101791
Original area for the fruit
F
{{{0.2F=100}}}
{{{F=100/0.2}}}
{{{F=100/(2*(1/10))}}}

{{{F=500}}}{{{m^2}}}



Original area for vegetables, V
Decreased 25%, corresponding the the change of 100 square meters
{{{0.25V=100}}}
{{{V=400}}}



Total original area, {{{highlight(F+V=highlight(900))}}}