2-5=x/1.2
(please solve this)

x=  -18/5   or  -3.6

Step-by-step explanation:

2-5=x/1.2

-3=x/1.2

Multiply 1.2 on both sides

-3.6=x

-18/5=x

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