1. 5 13/30, 5 1/6, 5 68,90, order these fractions from least to greatest

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Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

Michael split a rope that was 28 inches long into 5 equal parts. brenden split a rope that was 30 inches long into 6 equal parts. which boy's rope was cut into longer pieces?