Answered: across the bridge. b. If a toll of 25…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

A bridge has been constructed between the mainland and an island. The total cost (excluding
tolls) to travel across the bridge is expressed as C = 50 + 0.5V, where V is the number of
veh/hr and C is the cost/veh in pesos. The demand for travel across the bridge is V = 2500 −
10C.
a. Determine the volume of traffic across the bridge.
b. If a toll of 25 pesos is added, what is the volume across the bridge?
c. A tollbooth is to be added, thus reducing the travel time to cross the bridge. The new cost
function is C = 50 + 0.2V. Determine the volume of traffic that would cross the bridge.

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