The answer would be C. Hope the picture helps.
The interest at the end of the first month can be calculated given that the interest rate per month. Once, you get the interest rate per month, you multiply it to the price when you purchased the car.
Answer:

Step-by-step explanation:
(Given)
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(Corresponding angles)


(By exterior angle theorem)


Answer:
117 i think
Step-by-step explanation:
$20 because 10% of 40 is 10 and the price now is 40 so 2 years before would have been 20