The 26 students in Mr. Welch’s class read a total of 65 books last month. The 24 students in Ms. Goldwasser’s class read a total of 66 books. On a average, how many more books did each student in Ms. Goldwasser’s class read than each student in Mr. Welch’s class?

45

step-by-step explanation:

7

step-by-step explanation:

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