Answer:
$8.05 is the effective price per year of the extended warranty.
Explanation:
The cost of the lawnmower is = $284
The six year extended warranty on the lawnmower costs 17% as much as the lawnmower itself.
This means
is the warranty for 6 years.
So, per year effective price is =
≈ $8.05
Therefore, $8.05 is the effective price per year of the extended warranty.