Julia is a lifeguard and spots a drowning child 30 meters along the shore and 60 meters from the shore to the child. Julia runs along the shore for a while and then jumps into the water and swims from there directly to the child. Julia can run at a rate of 4 meters per second and swim at a rate of 1.1 meters per second. How far along the shore should Julia run before jumping into the water in order to save the child? Round your answer to three decimal places.

Julia is a lifeguard and spots a drowning child 30 meters along the shore and 60 meters from the shore to the child. Julia runs along the shore for a while and then jumps into the water and swims from there directly to the child. Julia can run at a rate of 4 meters per second and swim at a rate of 1.1 meters per second. How far along the shore should Julia run before jumping into the water in order to save the child? Round your answer to three decimal places.

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter8: Rational Expressions And Equations

Section8.9: Use Direct And Inverse Variation

Problem 503E: The length a spring stretches varies directly with a weight placed at the end of the spring. When...

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Julia is a lifeguard and spots a drowning child 30 meters along the shore and 60 meters from the shore to
the child. Julia runs along the shore for a while and then jumps into the water and swims from there
directly to the child. Julia can run at a rate of 4 meters per second and swim at a rate of 1.1 meters per
second. How far along the shore should Julia run before jumping into the water in order to save the child?
Round your answer to three decimal places.

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