If I did the math correctly I’d should be -5 or rewritten as -5/1.
Add 165 to 245. That is a total of 410kWh.
245kWh is more than 50% of 410kWh.
So, according to the plan, you will pay NightTimer rate for kWh at night and DayTimer rate during the day.
The work done:

The raw, accurate, answer is that the value to pay is $22.08085.
In real terms, it is closer to your $22.08 option. That is the one I'd take.
Hello,
mean=1/2*(1+88)*88/88=89/2=44.5
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Answer:
A=2132
Step-by-step explanation:
Solution
A=a+b/
2h=44+8/
2·82=2132