Question

Meenu drives her car for 1 1/2 hours with a constant speed of 66 km/hr and then for another 45 minutes with a constant speed of 80 km/hr. What was her average speed?​

Answer 1

Answer:

time1=3/2×60=1hr and 30min

time 2=45 min

average speed=total distance/total time

average speed=66×3/2+80×3/4

-----------------------

2-15

=99+60

------------

135

159/135=1.44(approx)

Step-by-step explanation:

Please mark me as brainliest !!!