1 1/4 1 1/2 Gracie , Mary , and Nancy each have a small collection of seashells . Gracie has 5 more than the number of shells Mary has . Nancy has 1 more than times the number of shells Mary has . Gracie and Nancy have the same number of shells . If x is the number of shells Mary has , identify the equation that represents this situation and identify its solution .

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

24

step-by-step explanation:

7.3

step-by-step explanation:

add the numbers under frequency to find the total number:

5 + 8 +7 + 4 + 0 +1 = 25

the answer is 25.