Megan buys 3 bracelets and 3 necklaces. each bracelet cost $5. megan pays the clerk $40 and gets $4 change. what is the cost, in dollars, of one necklace? how?

i believe

step-by-step explanation:

from my conclusion c

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