To the nearest millimeter, a cell phone is 132 mm and 69 mm wide. what is the ratio of the width to the length

23:44 or 1:1.91

Step-by-step explanation:

w:l =69:132     Divide each number by   3

     = 23:44     Divide each number by 23

     ≈   1:1.91

The width-to-length ratio is 23:44 or approximately 1:1.91

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