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The distance between a and B is 6000 meters. B starts from a for 10 minutes and a starts again. When a arrives at B, B is 1000 meters away from B. how many meters does a walk per minute?
A / min: 1000 m / 10 min = 100 m / min
Party A and Party B went to the exhibition hall 1000 meters away from school. Party A walked for five minutes before Party B started. The speed of Party A was 80 meters per minute, and that of Party B was 180 meters per minute. How long can party B catch up with Party A? How far is it from the exhibition hall to catch up with a?
Let B take X minutes to catch up with a, then 80 (5 + x) = 180X. The solution of the equation is: x = 4. When B catches up with a, it is still 1 000-180 × 4 = 280 meters away from the exhibition hall. A: B can catch up with a in 4 minutes, and it is 280 meters away from the exhibition hall when B catches up with a
Party A and Party B went to the exhibition hall 1000 meters away from school. Party A walked for five minutes before Party B started. The speed of Party A was 80 meters per minute, and that of Party B was 180 meters per minute. How long can party B catch up with Party A? How far is it from the exhibition hall to catch up with a?
Let B take X minutes to catch up with a, then 80 (5 + x) = 180X. The solution of the equation is: x = 4. When B catches up with a, it is still 1 000-180 × 4 = 280 meters away from the exhibition hall. A: B can catch up with a in 4 minutes, and it is 280 meters away from the exhibition hall when B catches up with a
Both Party A and Party B ride their bikes to the same destination at the same time. It is known that in the process of riding, Party B starts to be 1000 meters in front of Party A,
Two people are 200 meters apart. If a's speed is 8 meters per second, find B's speed
3 / 10 minutes = 18 seconds
There are two situations
First, if B is 200 meters in front of a, then a has more lines than B in 18 seconds: 1000-200 = 800 meters
In the second case, if a is 200 meters in front of B, then in 18 seconds, a has more lines than B: 1000 + 200 = 1200 meters
Your topic data is wrong. In 18 seconds, a can only do it: 18 × 8 = 144 meters, not more than B
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