ALG 2 Quiz # 8 Piecewise Functions part 1 I really don't know how to do this so can someone solve this for me? With a thorough explanation too so I actually know how to do it?

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

the final price would be 29.6925

step-by-step explanation:

39.59 minus 25% equals 29.6925