Money is borrowed at 9% simple interest after one year $1209.90 pays off the loan how much was originally borrowed

10,881$

Step-by-step explanation:

time = 1 year

amount paid =  $1209.90

percent borrowed =  9%

therefore originally borrowed = $1209.90 X 9% X 1 year

  Hope is correct

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