Answer:
Total area of the 3 plots will be
square kilometers.
Explanation:
Devon buys a plot of the land with an area =
square kilometers
He divides this land equally into 4 smaller plots.
Therefore, Area of each plot =

=
square kilometers
Now the area of 3 plots = 3 × area of one plot
=

=

Therefore, total area of the smaller 3 plots will be
square kilometers.