Answer:
4. B. subtraction
Step-by-step explanation:
In solving the water consumption, we subtract the previous reading from the present reading, seen in the picture, the previous reading is 5654.32 m3 and the present reading is 5659.11 m3.
If we subtract 5654.32 from 5659.11 we will get the water consumption which is 4.79 m3.
Meanwhile, to solve for the amount to be payed, we multiply the water consumption by the money that we should pay for every m3.
