Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter R - Section R.1 - Factors and the Least Common Multiple - Exercise Set: 47

Answer

360

Work Step by Step

We can find the LCM by checking which multiple of 90 is also a multiple of 40. 90 * 1 = 90 90 * 2 = 180 90 * 3 = 270 90 * 4 = 360 (= 40 * 9) 360 is the first multiple of 40 and 90, so it is the LCM.
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