How to get the strategy

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 answer would be 150 books

step-by-step explanation:

if you divide 300 by 2 you will get 150

hi there, i would be interested to you with your test, may you add the questions and answer options.

- : )