19 Answered Questions for the topic Mph

Mph

06/10/18

#### Wind Speed - MPH

An airplane takes 3.5 hours to travel 805 miles while flying against the wind. If the speed of the airplane on a windless day is 264 miles per hour, what is the speed of the wind?
Mph

05/01/18

Word problem

09/06/17

#### The distance between Dallas and Beaumont is about 290 miles. Henry drove from Dallas to Beaumont at 58 miles per hour. How many hours did it take to reac

The distance between Dallas and Beaumont is about 290 miles. Henry drove from Dallas to Beaumont at 58 miles per hour. How many hours did it take to reach Beaumont
Mph

07/03/17

#### when will the trains meet

A train leaves a station and travels north at a speed of 175 mph. Two hours later, a second train leaves on a parallel track and travels north at 225 mph. How far from the station will they meet?

04/21/17

#### A boat can travel 24 mph in still water. If it travels 186 miles with the current in the same length of time it travels 102 miles against the current, what is t

A boat can travel 24 mph in still water. If it travels 186 miles with the current in the same length of time it travels 102 miles against the current, what is the speed of the current?

01/12/17

#### Word Problem

Kari just got a new car with tires that are 21 inches in diameter. If her wheels are spinning at a rate of 800 revolutions per minute, how fast is she going in miles per hour? Round the answer to... more
Mph Distance

08/02/16

#### Iron Man MPH Speed

Two passenger trains 200 miles apart are headed toward each other on the same track—one at 50 mph and the other at 70 mph. Ironman responds to the danger by flying back and forth between the... more

04/26/16

#### Evan flies a plane against a headwind for 4161 miles. The return trip with the wind took 16 hours less time. If the wind speed is 8 mph, how fast does Evan fly

Evan flies a plane against a headwind for 4161 miles. The return trip with the wind took 16 hours less time. If the wind speed is 8 mph, how fast does Evan fly the plane when there is no wind?

04/26/16

#### Catherine rows a boat downstream for 182 miles. The return trip upstream took 12 hours longer. If the current flows at 3 mph, how fast does Catherine row in sti

Catherine rows a boat downstream for 182 miles. The return trip upstream took 12 hours longer. If the current flows at 3 mph, how fast does Catherine row in still water?

04/26/16

#### Kylie went on a 138 mile trip to a soccer game. On the way back, due to road construction she had to drive 23 miles per hour slower. This made the trip take 1 h

Kylie went on a 138 mile trip to a soccer game. On the way back, due to road construction she had to drive 23 miles per hour slower. This made the trip take 1 hour longer. How fast did she drive to... more

01/27/16

#### What constant acceleration, in m/s^2, must a car have to go from 0 to 60mph in 10s?

What constant acceleration, in m/s^2, must a car have to go from 0 to 60mph in 10s?

01/19/16

#### Maths worded problem on Lower bounds

Sophie estimated that the distance between Bristol and Newcastle is about 290 miles and that her average driving speed would be 60 mph.She estimated the distance to the nearest 10 miles and the... more
Mph

09/22/15

#### How long will it take to catch up?

Julio leaves for school at 8:05 am and the bus travels at a rate of 30 mph. Julio's mom discovers that Julio left his lunch at home. How long will it take Julio's mom to catch the bus if she leaves... more
Mph

09/09/15

#### Two cars start driving in the same direction from same place. If one travels 55 mph and the other 63 mph, how long will it take them to get 32 miles apar?

Two cars start driving in the same direction from same place. If one travels 55 mph and the other 63 mph, how long will it take them to get 32 miles apart?
Mph Math

07/15/15

#### Solve this as soon as possible

Emily's school is 4 miles away from her home. She goes by car to school and back. The car consumed 3 gallons of fuel in 5 days taking her to school and back.How many miles can she travel per gallon... more

06/19/15

#### I need a formula to code my microprocessor to tell me how fast my model train is going in MPH

Thank you for helping me with this. I am not very good with long algebra problems. It must be my "ADD". I am a 63 year old experimenter and I experiment with just about everything; engineering,... more

12/03/14

#### find the speed of the plane in still air?

A plane flies 390 miles with the wind and 325 miles against the wind in the same length of time. If the speed of the wind is 10mph find the speed of the plane in still air?
Mph

08/09/14

#### if i trave 20 miles straight line at 20 miles per hour, how long will it take to reach my distanation?

if i trave 20 miles straight line at 20 miles per hour, how long will it take to reach my distanation?

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