Arepairman estimated the cost of replacing a part in mr. james' computer would be at most $225. the estimate would included $35 for the part, a $40 service change, and a $30 per hour for labor. what is the maximum number of hours the repairman estimated for the job?

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

a

step-by-step explanation:

the answer is a