Question

A presion can
complete his journy in 9km if the half the journy at the rate of 4km / h and the nest half journy at the speed 5 km/h l; what was the total journy ?​

Answer 1

Answer:

• he complete his half journey (4.5km) in 4km/hr. speed we have speed=distance/time

4=4.5/time

time=4.5/4

time=1.125 hour

• he complete his last half journey in 5km /hr.
• speed=distance/time
• 5=4.5/time
• time=4.5/5
• time=0.9

so,total time is 1.125+0.9

=2.025 hours

hope it helps u dear ☺️☺️☺️