# Math

At the​ airport, Person A and Person B are walking at the same speed to catch their​ flight, but Person B decides to step onto the moving​ sidewalk, while Person A continues to walk on the stationary sidewalk. If the sidewalk moves at 1 meter per​ second, and it takes Person B 40

seconds less to walk the 480
​-meter
​distance, at what speed are Person A and Person B​ walking?

1. 👍 0
2. 👎 0
3. 👁 1,891
1. If A's speed is a, then B's speed is a+1

since time = distance/speed,

480/(a+1) = 480/a - 40
a = 3 m/s

1. 👍 1
2. 👎 0

## Similar Questions

1. ### Math

If 5 fishermen catch 5 fish in 5 minutes, how many minutes will it take 50 fishermen to catch 50 fish? If 5 fishermen catch 5 fish in 5 minutes, then the average time it takes each fisherman is 5 minutes to catch one fish. It will

2. ### physics

As you hurry to catch your flight at the airport, you encounter a moving walkway that is 85m long and has a speed of 2.2 m/s relative to the ground. If it takes you 68s to cover 85m when walking on the ground, how long will it

3. ### Math

What is the speed of a walking person in m/s if the person travels 1000m in 20 minutes.

4. ### Career prep

What might happen if a newly hired person filled out a w-4 form incorrectly a.That person could be placed in a job thats not suitable b.That person may have a larger tax bill to pay on income taxes c.That person might be arrested

1. ### Algebra

Walking Speed The avg. walking speed R of a person living in a city of population P in thousands is modeled by the function R(P)=0.37 times ln P + 0.05. where R is in feet per second. The populatin of Boston is 532,000, find the

2. ### physics

A person is standing on and facing the front of a stationary skateboard while holding a construction brick. The mass of the person is 89.0 kg, the mass of the skateboard is 4.10 kg, and the mass of the brick is 2.50 kg. If the

3. ### Science Help Not sure

Within the Gaetz Lake Sanctuary in Red Deer, Alberta, is a looped trail that is 4 km long. Suppose a person walked all the way around the looped trail in 1 h, ending where he or she started. Which statement best describes this

4. ### Physics

A person initially at rest throws a ball upward at an angle θ0= 75 ∘ with an initial speed v0=15 m/s . He tries to catch up to the ball by accelerating with a constant acceleration a for a time interval of 1.03 s and then

1. ### Physics

1. A person standing motionless between a straight highway and an airport runway. A truck drives by the person at constant speed, while an airplane accelerates down the runway for take off. Of the person, truck, and airplane,

2. ### Language arts

1)What does it mean when an author emphasizes evidence?(1 point) The author includes facts to support an opposite idea. The author makes an educated guess based on evidence. The author shares ideas supported by reasons. The author

3. ### English

A narrator who uses pronouns such as he, she, and they and knows all of the characters’ thoughts and actions is a. first person b. second person c. third person limited d. third person omniscient***

4. ### Physics

How do I do these? A passenger at an airport steps onto a moving sidewalk that is 100.0 m long and is moving at a speed of 1.5 m/s. The passenger then starts walking at a speed of 1.0 m/s in the same direction as the sidewalk is