Use the image to answer the question.

Question

The stretch of a spring in millimeters is proportional to the weight in grams attached to the end of the spring. Find the unit rate.
(1 point)

Answer 1

The unit rate is the ratio of the stretch of the spring to the weight attached to the end of the spring.

Looking at the image, the stretch of the spring is 6 mm and the weight attached is 30 g.

Therefore, the unit rate is 6 mm per 30 g.