During a 60-minute period, a traffic engineer counted 66 trucks and cars that crossed a bridge. The ratio of trucks to cars that travel across the bridge is usually 3:8. The equation = can be used to predict the number of trucks, t, the 3. 8. 66-t engineer should have counted. How many trucks should the engineer have counted?

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter8: Rational Expressions And Equations
Section8.9: Use Direct And Inverse Variation
Problem 507E: The distance an object falls varies directly to the square of the time it falls. If an object falls...
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A.6 B.18 C.22 D.48
During a 60-minute period, a traffic engineer counted 66
trucks and cars that crossed a bridge. The ratio of trucks to
cars that travel across the bridge is usually 3:8. The equation
3.
8.
= can be used to predict the number of trucks, t, the
66-t
engineer should have counted. How many trucks should the
engineer have counted?
Transcribed Image Text:During a 60-minute period, a traffic engineer counted 66 trucks and cars that crossed a bridge. The ratio of trucks to cars that travel across the bridge is usually 3:8. The equation 3. 8. = can be used to predict the number of trucks, t, the 66-t engineer should have counted. How many trucks should the engineer have counted?
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