Question

A girls move with a speed of 6km/hr for2hrs and with a speed of 4km/hr.for the next 3hrs.find the total distance travelled and the average speed of the girl

Answer 1

Distance traveled = 6*2+4*3 = 24KM
Avg speed is = total distance / total time = 24/5 = 4.8 KMPH

Answer 2

hi the total speed will be speed1+ speed.
speed= 6×2+4×3=12+12=24
average speed =24/5=4.8km/h