. Suppose your car averages 38 miles per gallon on the high- way if your average speed is 55 miles per hour, and it aver- ages 32 miles per gallon on the highway if your average speed is 70 miles per hour. a. What is the driving time for a 2000-mile trip if you drive at an average speed of 55 miles per hour? What is the driving. time at 70 miles per hour? b. Assume a gasoline price of $2.55 per gallon. What is the gasoline cost for a 2000-mile trip if you drive at an average speed of 55 miles per hour? What is the gasoline cost at 70 miles per hour?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
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74. Suppose your car averages 38 miles per gallon on the high-
way if your average speed is 55 miles per hour, and it aver-
ages 32 miles per gallon on the highway if your average speed
is 70 miles per hour.
a. What is the driving time for a 2000-mile trip if you drive
at an average speed of 55 miles per hour? What is the driving
time at 70 miles per hour?
b. Assume a gasoline price of $2.55 per gallon. What is the
gasoline cost for a 2000-mile trip if you drive at an average
speed of 55 miles per hour? What is the gasoline cost at
70 miles per hour?
Transcribed Image Text:74. Suppose your car averages 38 miles per gallon on the high- way if your average speed is 55 miles per hour, and it aver- ages 32 miles per gallon on the highway if your average speed is 70 miles per hour. a. What is the driving time for a 2000-mile trip if you drive at an average speed of 55 miles per hour? What is the driving time at 70 miles per hour? b. Assume a gasoline price of $2.55 per gallon. What is the gasoline cost for a 2000-mile trip if you drive at an average speed of 55 miles per hour? What is the gasoline cost at 70 miles per hour?
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