Answer:
The number of parts on the four plots are 40.5
Explanation:
The number of plots is 4 and each has an area of 12 acres, thus the total area is 36 acres.
Dividing them into a number, n, of parts gives;

where n is the number of parts.
=
of an acre
Thus,
n = (36 × 9) acres ÷ 8 acres
= 324 ÷ 8
= 40.5
Thus it has been divided into 40.5 parts.