Question

Could someone please help me? I'm lost on how to solve this.

here is the multiple-choice for the question:

A) $21.83
B) $21.65
C) $22.37
D) $22.08​

Answer 1

$22.08

Explanation:

As long as the night power is not greater than 50%, then the rate is $8.71365.

The day power plan is $13.3672, according to the narration the sum of both variable is required, which is $22.08085.