Question

2. A car travels the first third of a distance with a speed of 10 kmph, the
second third at 20 kmph and the last third at 60 kmph. What is its mean
speed over the entire distance?
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Answer 1

Answer:

30 kmph

is the answer

Explanation:

please mark as brainliest answer please

Answer 2

Answer:

Let The speeds of the car be x₁=10, x₂=20, x₃=60

$Mean=\frac{x_{1}*x_{2} *x_{3} }{3}$

$Mean=\frac{10+20+60}{3}$

$Mean=\frac{90}{3}$

$Mean=30$

Thus, mean speed is 30Kmph.

HOPE THIS HELPS :D