9-13. Dela Cruz Grocery Store shows the ff. records in electric consumption for the last 3 months.

Initial Reading-2,122 kwh

January 2021-2,344 kwh

February 2021-2,792 kwh

March 2021-2,998 kwh


if the basic change for the first 20 kwh is P 150 and the succeeding kilowatt hour is changed 20.00. How much will Dela Cruz grocery Store pay for each month? What month did he pay the most?
What if the average monthly

a. What is asked?

b. What are given?

c. What process will you use?

d. What is the number sentence?

e. What is your solution and complete answer?​