Suppose Viviana sent 100 text messages to her friend. She plans to send an additional 10 text to her friend per period. How many periods will it take Viviana to send 200 text
messages?

20 More Periods

Step-by-step explanation:

Just Divide 200/10 and you get 20.

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

honesty mood

step-by-step explanation: