Roy Devyn Marble added 16 points for the Hawkeyes (15-3, 4-1 Big Ten), who outscored the Golden Gophers 53-30 after halftime to pull away for a third straight win.
Josh Oglesby helped out with 17 points off the bench.
Minnesota (14-5, 3-3) was paced by Andre Hollins with 20 points.
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