Question

Из пунктов А и В , расстояние между которыми 260 км, одновременно навстречу друг другу выехали велосипедист и мотоциклист. скорость велосипедиста -13км/ч,а мотоциклиста -52км/ч. Запиши в виде выражения . 1) на сколько скорость велосипедиста меньше скорости мотоциклиста. 2)во сколько раз скорость велосипедиста меньше скорости мотоциклиста .3) время, которое потребуется велосипедисту на весь путь из А в В .4)Время, которое потребуется мотоциклисту на весь путь из В в А 5). На сколько меньше времени потребуется на весь путь мотоциклисту чем велосипедисту. 6) во сколько раз меньше времени потребуется на весь путь мотоциклисту, чем велосипедисту. 7) скорость сближения велосипедиста и мотоциклиста. 8) через какое время после начала движения велосипедист и мотоциклист встретятся .

Answer 1

1)52-13=39 км/ч
2)52÷13=4 раза
3)260÷13=20ч
4)260÷52=5ч
5)20-5=15ч
6)20÷5=4раза
7)52+13=65км/ч
8)260÷65=4часа

Answer 2

Given Information:

- Distance between points A and B: 260 km - Speed of the cyclist: 13 km/h - Speed of the motorcyclist: 52 km/h

1) Speed Difference:

To find the difference in speed between the cyclist and the motorcyclist, we subtract the speed of the cyclist from the speed of the motorcyclist.

Answer: The speed of the cyclist is 39 km/h slower than the speed of the motorcyclist.

2) Speed Ratio:

To find the ratio of the cyclist's speed to the motorcyclist's speed, we divide the speed of the cyclist by the speed of the motorcyclist.

Answer: The speed of the cyclist is approximately 0.25 times the speed of the motorcyclist.

3) Time for the Cyclist:

To find the time it will take for the cyclist to travel the entire distance from A to B, we divide the distance by the speed of the cyclist.

Answer: The time it will take for the cyclist to travel from A to B is approximately 20 hours.

4) Time for the Motorcyclist:

To find the time it will take for the motorcyclist to travel the entire distance from B to A, we divide the distance by the speed of the motorcyclist.

Answer: The time it will take for the motorcyclist to travel from B to A is approximately 5 hours.

5) Time Difference:

To find the difference in time between the motorcyclist and the cyclist, we subtract the time it will take for the cyclist to travel from A to B from the time it will take for the motorcyclist to travel from B to A.

Answer: The motorcyclist will take approximately 15 hours less time than the cyclist to travel the entire distance.

6) Time Ratio:

To find the ratio of the time it will take for the motorcyclist to travel the entire distance to the time it will take for the cyclist, we divide the time for the motorcyclist by the time for the cyclist.

Answer: The motorcyclist will take approximately 0.25 times the time taken by the cyclist to travel the entire distance.

7) Rate of Approach:

To find the rate at which the cyclist and the motorcyclist are approaching each other, we add their speeds.

Answer: The rate at which the cyclist and the motorcyclist are approaching each other is 65 km/h.

8) Time of Meeting:

To find the time it will take for the cyclist and the motorcyclist to meet after they start traveling, we divide the distance between A and B by the rate at which they are approaching each other.

Answer: The cyclist and the motorcyclist will meet approximately 4 hours after they start traveling.

Note: The calculations are based on the given information and may not be exact due to rounding.