# A 5-foot-tall woman walks at 8 ft/s toward a streetlight that is 20 ft above the ground.

## Question:

A 5-foot-tall woman walks at 8 ft/s toward a streetlight that is 20 ft above the ground. What is the rate of change of the length of her shadow when she is 15 ft from the streetlight? At what rate is the tip of her shadow moving?

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**Related Book For**

## Calculus Early Transcendentals

**ISBN:** 978-0321947345

2nd edition

**Authors:** William L. Briggs, Lyle Cochran, Bernard Gillett