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| Title: | Mathematics at DEC |
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| Moderator: | RUSURE::EDP |
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| Created: | Mon Feb 03 1986 |
| Last Modified: | Fri Jun 06 1997 |
| Last Successful Update: | Fri Jun 06 1997 |
| Number of topics: | 2083 |
| Total number of notes: | 14613 |
141.0. "Bus Equation" by HARE::STAN () Thu Aug 30 1984 18:10
From: VIA::SCHUETZ "Chris Schuetz - @ 2R04, DTN 381-2647" 30-AUG-1984 12:50
To: HARE::STAN ! SENT TO @FRIENDS
Subj: Arithmetic puzzle
i need a little help acquiring an equation for the folllowing problem.
here's the problem:
a passenger boards a bus.
"times square,please",said the passenger.
"where did you get on?",asked the driver.
"two stops after the stop which is one stop less than
halfway to times square",said the passenger.
the driver thought a while and replied:
"the fare is 2 cents more than one half of one penny more than it would be
if fares had risen 50% this morning. that's how much you have to pay."
-->how much did the passenger have to pay???
| T.R | Title | User | Personal
Name | Date | Lines |
|---|
| 141.1 | | HARE::STAN | | Thu Aug 30 1984 18:11 | 14 |
| answer: 10 cents.
Let F be the fare.
1.5F would be the fare if it were raised by 50%.
1.5F + 1 would be a penny more
(1.5F + 1)/2 would be half of that
(1.5F + 1)/2 + 2 would be two cents more
The fare F is expressed by:
F = (1.5F + 1)/2 + 2
F = 0.75F + 5/2
0.25F = 2.5
F = 10
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