Explanation Calculation: The given measurement is 55 mph and the options are (a) 30 km/h , (b) 60 km/h and (c) 90 km/h . Here, the unit of the given measurement is miles per hour and the units involved in the set of options is kilometer per hour. So, apply the fact comparison for the units as, “A miles per hour is little more than (about 150%) a kilometer per hour”. Thus, the given options, 50 mph and 60 mph are not much closer with the given measure 55 mph . So, these measurements cannot be an appropriate option for 55 mph

Mathematics for the Trades: A Guided Approach, Books a la Carte edition (11th Edition)

11th Edition

ISBN: 9780134765785

Author: Hal Saunders

Publisher: PEARSON

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Chapter 5.3, Problem 8AE

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To choose: The closest measurement of 55 mph.

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To choose: The closest measurement of 55 mph .

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