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#1 2013-07-24 04:28:51
- anna_gg
- Member
- Registered: 2012-01-10
- Posts: 232
Bridge and river
Person A left Town X at 10:18 am. He walked at a constant speed and arrived at town Z at 1:30 pm. On the same day, Person B left town Z at 9 am. Person B walked the same route in the opposite direction at a constant speed. Person B arrived at town X at 11:40 am. The road crosses a wide river. By coincidence, both arrived at the bridge on opposite sides of the river at the same instant. Person A left the bridge 1 minute later than Person B. At what time did they arrive at the bridge?
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#2 2013-07-25 03:46:45
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Bridge and river
Hi;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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#3 2013-08-01 21:52:24
- anna_gg
- Member
- Registered: 2012-01-10
- Posts: 232
Re: Bridge and river
Hi;
Correct! Thank you!!!
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#4 2013-08-01 22:30:18
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Bridge and river
Hi;
You are welcome. Thanks for the problem.
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
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