RAPID CITY, S.D. (AP) - Two men accused of trying to rob three Rapid City businesses within a matter of hours late last year have entered different pleas.

KEVN-TV reports (http://bit.ly/X8oeDa ) that 23-year-old Ryan Reub pleaded guilty to robbery in a plea deal with prosecutors that calls for a sentence of no more than 15 years in prison.

Eighteen-year-old Max Imberi pleaded not guilty to robbery, attempted robbery and drug possession.

Authorities allege the two men walked into three businesses with a gun and demanded money within the 18-hour stretch on Dec. 18 and 19.