The win snapped a two-game losing skid for the Rams (11-7, 3-2 Atlantic 10).
Hassan Martin finished with 15 points on 7-for-7 shooting for Rhode Island, which shot 56. 8 percent from the field and 85.7 percent from the foul line. Kuran Iverson added 12 points and five assists.
Rhode Island opened on a 20-8 stretch, capped by an Earl Watson dunk, and led 31-22 at halftime. Back-to-back Garrett baskets late in the second half capped a 14-3 run that stretched the Rams lead to 65-49, their largest of the game.