In 2014 the population of the town was 21,385 in 2015 the population increased to 23,463. find the percent increase

9.7%

Step-by-step explanation:

Percentage increase = increase / Original population x 100

increase = 23,463 - 21,385

= 2,078

Therefore:

% increase = 2078/21,385 x 100

% increase ≈ 9.7

step-by-step explanation:

d

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