Question

A truck driver travels 55 km in 1 hour. He then drives a speed of 35km/hr for 2 hrs. Next, he drives 175 km in 3 hrs. What was his average speed?

Should i add up the total distance and total time taken then solve?
Yes.
(55 + 70 + 175)/(1 + 2 + 3) = 50 km/h
From were did u get the 70
From where did the 70 come?
35+35 is 70 bc he’s traveling at 35km/h for 2 hours
50 KM/H
In 2 hour 35km/h
so 2 × 35 = 70
the rule of average speed is total distance ÷ total time
We will put 55 + 70 + 175 ÷ 1 + 2 + 3 = 50
So the answer is 50km/h

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