Write the expression for travel demand on the bridge. Let V = travel demand.

A toll bridge carries 6,000 veh/day. The current toll is $3.50/vehicle. Studies have shown that for each increase in toll of 50 cents, the traffic volume will decrease by 500 veh/day. It is desired to increase the toll to a point where revenue will be maximized.

What will be an ideal response?


V = 6000 – 500(x / 50); where x is the increase in toll in cents.

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