GRAND RAPIDS, MI (WHTC) - A September 10^th sentencing date has been set for Takunda Mavima, an 18-year-old Wyoming man who pleaded guilty yesterday to two counts of drunken driving causing death and one count of drunken driving causing serious injury. He was behind the wheel of a car that flipped over and crashed attempting to exit eastbound I-196 onto the Chicago Drive ramp near his hometown on May 20^th, killing Park High School classmates Krysta Howell and Timothy See, and injuring two others. They were coming home from a party held by another Park High grad at his Allendale apartment. Mavima could receive up to 15 years in jail.