Answer
2.829
Work Step by Step
We first find the number of gallons using the fact that the cost is 1.75 dollars per gallon. Thus, we find:
$g=\frac{4.95}{1.75} = 2.829 \ gallons$
We find the number of $kWh$ this is:
$ 2.829 \times 30 = 84.86 \ kWh$
Thus, it follows:
$COP = \frac{84.86}{30}=2.829$
