Develop an experiment that will help you determine how long it will take your principal to say every students name in the seventh grade (first and last). Use math to justify the amount of time it will take. This will help you stimate how long your 8th grade promotion will take to complete.

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

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step-by-step explanation:

answer: 1475

step-by-step explanation:

becuase you have to know what they are asking you

hope this !