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The speed ratio of Party A and Party B is 3:2. Party A and Party B start from a and B at the same time. If they go in opposite directions, they will meet in an hour. If they go in the same direction, how much does it take for Party A
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The speed ratio of Party A and Party B is 3:2. Party A and Party B start from a and B at the same time. If they go in opposite directions, they will meet in an hour. If they go in the same direction, how long does it take for Party A to catch up with Party B?
Time required for a to catch up with B:
(3 + 2) / (3-2) = 5 hours
Yes, there are two people, a and B. the walking speed of B is three fifths of that of A. A and B start from a and B at the same time. If they are facing each other,
One hour later, if you meet in the same direction, how long does it take for a to catch up with B
（5+3）x1÷（5-3）
=8X1 divided by 2
=8 divided by 2
=4 (hours)
The walking speed ratio of Party A and Party B is 9:7. If Party A and Party B set out at the same time and walk in opposite directions, they will meet in 0.5 hours. If they walk in the same direction```
The walking speed ratio of Party A and Party B is 9:7. If Party A and Party B set out at the same time and walk in opposite directions, they will meet after 0.5 hours. If they walk in the same direction, it will take () hours for Party A to catch up with Party B
It takes 0.5x (9 + 7) △ 9-7 = 0.5x16 △ 2 = 4 hours
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The walking speed of a, B and C is 30, 40 and 50 per minute respectively. A, B and C face each other in a and B. C meets B 10 minutes later to find the way between a and B
Formula
Let B and C meet at x, because when they meet, the distance and must be AB, then
(40 + 50) x = (30 + 50) (x + 10), that is 90x = 80x + 800
x=80
The distance between the two places is equal to (40 + 50) x = 90 * 80 = 7200
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