-11 1/3 convert to an improper fraction type in your answer with the negative in the numerator

-34/3

Step-by-step explanation:

For improper fractions you multiply the whole number by the denominator (-11 with 3), then subtract the answer you get with the numerator (-33 minus 1). The denominator always stays the same (3), so you should get -34 over 3

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