Question 107600
at 5:00 the angle is 360­°(5/12) or 150°


the minute hand moves at 6° per min ... making the angle smaller


the hour hand moves at 30° per hour or .5° per min ... making the angle larger


let x="minutes after 5:00" ... 150-6x+.5x=90 ... 60=5.5x


(remember to convert decimal minutes into minutes and seconds)