Question

cover a distance of 102 km in 2 hour and another car cover of 85km in 2 1/2 hours compare thier speed​

Answer 1

Step-by-step explanation:

first car speed v1 = 102/2 = 51km/hr

2nd car speed v2 = (85*2)/17 = 30km/hr

Answer 2

Step-by-step explanation:

for first one;

distance = 102 km

time = 2 hrs

Speed = distance/time

speed 1 =102/2

=51 km/hrs.

for second one;

distance = 85 km

time = 2 1/2hrs

=5/2hrs

speed2=85/5/2

=17*2

=34 km/hrs

so,

speed=speed1/speed2

=51/34

I hope it helps!!!!

follow me