Answer:
j:19
Explanation:
J. 19 houses
Explanation:
Since there is a total of 40 houses in the neighborhood.
So, Number of houses Company X provide electricity is:
and, Number of houses Company X provide electricity is:
Hence total number of houses Company Z provide electricity is: 40 - (5 + 16) = 40 - 21 = 19
⇒ Total number of houses Company Z provide electricity = 19