Explanation Given: The minimum and maximum legal speed on a highway is 45 mi/h and 65 mi/h respectively. Calculation: Let v denote the legal speed on the highway. Then the inequality that represents the speed is 45 mi/h ≤ v ≤ 65 mi/h . The distance travelled is calculated using the formula, d = v t , where t denotes the time. Then the distance travelled in 4 hours is d = 4 v . Consider the inequality 45 mi/h ≤ v ≤ 65 mi/h , and obtain the range of the distance travelled by the motorist in 4 hours as follows. 45 ≤ v ≤ 65 45 ( 4 ) ≤ v ( 4 ) ≤ 65 ( 4 )

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ISBN: 9780134437705

Author: Washington

Publisher: PEARSON

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Chapter 17.2, Problem 58E

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The range of the distance travelled by the motorist in 4 hours when the minimum and maximum speed is 45 mi/h and 65 mi/h respectively.

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Chapter 17.2, Problem 57E

Chapter 17.2, Problem 59E

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Chapter 17 Solutions

Basic Technical Mathematics

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