Posted by TIM on .
mike runs for 5 of an hour at a speed of 7.5 km/h and cycles for 15 minutes at 12 km/h.how far does he go

math (incomplete) 
MathMate,
"mike runs for 5 of an hour "
Please clarify 5 (what) of an hour, it could be 5%, 5 minutes, or onefifth, ...