Read and solve the following problems. Write your answers on your answer
sheet.

1. Mr. Tan computed his monthly electrical consumption. Based on his electric
bill, last month he was able to consume 00146 kWh. When he checked his
digital electric meter, the reading was 00189 kWh. How many kilowatt-hours
did Mr. Tan consume this month?

2. Last month, the water meter reading was 1489 m3. The next month, the
reading was 1565 m3. How much cubic meter of water was consumed?

3. What is the water consumption of a certain laundry shop for one month if the
present water meter reading is 785 m3 and the previous water meter reading
is 562 m3?

4. Jing’s records of her family electric consumption are as follows:
Initial Reading: 0123
January: 0244 February: 0448 March: 0659
a. What is their total electric consumption for 3 months?
b. Find the average monthly electric consumption of Jing’s family.​