Lenguaje algebraica de 1) 2(x-5) 2) 3(1/4x-2y) 3) x+2/3 4)x-1/2​

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

f is the midpoint of

5+2x=a

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