Example 19. A lamp lighter has to light 100 gas lamps. He takes 1½ minutesfrom one lamp post to the next. Each lamp post burns 10 c.c. of gas pertogohour. How many c.c. of gas has been burnt by 8:30 P.M. if he lights the first lampat 6 P.M.

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Answered: Example 19. A lamp lighter has to light…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Example 19. A lamp lighter has to light 100 gas lamps. He takes 1½ minutes to go from one lamp post to the next. Each lamp post burns 10 c.c. of gas per hour. How many c.c. of gas has been burnt by 8:30 P.M. if he lights the first lamp at 6 P.M.