Question

a motorcycle driving at 55km/h takes 30 minutes to arrive at his friend's house (from his own). how far is his friend's house?

Answer 1

Speed=Distance/Time
Distance=speed*time

Speed=55km/h
Time=1/2h

So distance=55/2=27.5kms

Answer 2

The distance of friend's house is 27.5 km.

Step-by-step explanation:

Given : A motorcycle driving at 55 km/h takes 30 minutes to arrive at his friend's house (from his own).

To find : How far is his friend's house?

Solution :

Speed is 55 km/hr.

Time is 30 minutes.

Convert minutes into hour,

1 minute = $\frac{1}{60}$ hour.

30 minutes = $\frac{30}{60}$ hour

30 minutes = 0.5 hour

The distance formula is given by,

$\text{Distance}=\text{Speed}\times \text{Time}$

$\text{Distance}=55\times 0.5$

$\text{Distance}=27.5\ km$

Therefore, the distance of friend's house is 27.5 km.

#Learn more

Rahul takes 45 minutes from his house to reach his school on his motorcycle of the motorcycle

has a speed of 7.5 m/s, calculate the distance between his house and the school

A) 20.25 km

(8) 40.5 km

(C) 81 km

(D) none of these​

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