Step-by-step explanation:
Count the number of x's in each column.
There are 6 lots with 1/6 acre.
There are 3 lots with 1/3 acre.
There are 6 lots with 1/2 acre.
So the total area is:
A = 6(1/6) + 3(1/3) + 6(1/2)
A = 1 + 1 + 3
A = 5
The builder bought a total of 5 acres.
