Source: Official Guide for GMAT Review 2016 Problem Solving; #84

1

At a certain instant in time, the number

At a certain instant in time, the number of cars, N, traveling on a portion of a certain highway can be estimated by the formula where L is the number of lanes in the same direction, d is the length of the portion of the highway, in feet, and s is the average speed of the cars, in miles per hour, Based on the formula, what is the estimated number of cars traveling on a 1/2 mile portion of the highway if the highway has 2 lanes in the same direction and the average speed of the cars is 40 miles per hour? (5,280 feet = 1mile)

1 Explanation

1

Gravatar Mike McGarry, Magoosh Tutor

Aug 14, 2015 • Comment

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Official GMAT Material

Official Guide for GMAT Review 2016

Official Guide for the GMAT 2015 14th Ed.

Official Guide for the GMAT 13th Ed.

Official Guide for the GMAT 12th Ed.

Revised GRE PDF 2nd Ed.


Section 5.3 Problem Solving

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