Question

A rectangle has a length of 42 inches and a width of 14 inches. Which of the following is not equal to the ratio of the rectangle’s length to its width?

Answer 1

The ratio of the rectangle's length to its width is 42/14 which simplifies to 3/1 by factoring out 14 out of the numerator and denominator.
Any ratio that is not 3:1, or a multiple of 3:1, is not equal.

List of Equal Ratios: 6:2, 9:3, 12:4, etc.