raul purchases a new cd at wal-mart. he pays 8% in tax on the cost of the cd, which came to $1.20. how much did raul spend on
the cd, including the tax amount?

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

more detail

step-by-step explanation:

you'll just earn points here

step-by-step explanation: