Question

David's average driving speed for shows
was 55 km/h. Dwing his first two hours
The drove at 60 km/h and last two house
he drove at 50 km/h. what was speed for
fifth hour of journey.​

Answer 1

Answer:

Step-by-step explanation:

2*60+2*50+x/(5)=55

120+100+x=275

220+x=275

x=275-220

x=55kmph