Question

A car takes 20 minutes to cover a distance of 15 km calculate its speed in km/HR

Answer 1

Speed=Distance/Time

=15km/20min

1hour=60 minutes

1/3hour=60/3=20minutes

So speed will be:

15km/1/3hr

=45km/hr

Hope it helps.

Answer 2

Hey mate !!

Thanks for asking this question

Here is your answer ^_^

=========================================================

Speed = Distance ÷ Time

Convert minute into hour

1 minute = 1 ÷ 60 hour

20 minute = 20 ÷ 60 hour

                  = 1 ÷ 3 hour

A.T.Q

Speed = 15 ÷ 1 ÷ 3

            = 15 ÷ 1 × 3

            = 15 ×3

            = 45 Km/hr

Hope it helps you ^_^

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