When Jacob crossed over from Niagara Falls, New York, to Niagara Falls, Canada, he saw a sign

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When Jacob crossed over from Niagara Falls, New York, to Niagara Falls, Canada, he saw a sign that said 50 miles per hour (mph) is equal to 80 kilometers per hour (kph).

(a) How many kilometers per hour are equal to 1 mph?

9b) On a stretch of the Queen Elizabeth Way, the speed limit is 90 kph. What is the speed limit in miles per hour?

Use proportions to solve the problem.

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A Survey of Mathematics with Applications

ISBN: 978-0134112107

10th edition

Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde

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When Jacob crossed over from Niagara Falls, New York, to Niagara Falls, Canada, he saw a sign

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A Survey of Mathematics with Applications

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