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The official ratio of width to length for the U.S. flag is 10 to 19. If a flag is 38 inches wide, how long should it be?

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  1. Let x = length.
    Do ratio & proportion:
    10 / 19 = 38 / x
    Cross-multiplying,
    10x = 19 * 38
    10x = 722
    (10/10)x = 722/10
    x = 72.2 in

    Hope this helps :3

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