A mechanic tells a customer that replacing the tensioner on the timing belt has about 80% chance of fixing the problem with the car. what type of probability is the mechanic using

The mechanic is using a percentage probability.

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

answer

106 emergencies

step-by-step explanation: