Question 1042495
Every half hour, the person runs 10km/h*(25/60)h=250/60=4 1/6 km PLUS 3km/h(1/12)h=0.25 km. That sum is 4 1/6+1/4=4 5/12=53/12 km
That is done 10 times in 5 hours or 530/12 km=44 km to the nearest integer.