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25-08-2020
Biology

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A man walks 20km in 4 hours. Find his speed.

Respuesta :

25-08-2020

Answer:

Distanced covered = 20km

time taken = 4 hrs

speed = S/t

=20 /4 = 5 km/hrs

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25-08-2020

Answer: 5 km per hour

Explanation: If you set up a unit rate, you can simplify to find the answer.

20 km ?

------------ = ---------------

4 hr 1 hr

Use the crisscross method, so 20 times 1 is 20, and 20 divided by 4 is 5, so the answer is 5 km per one hour.

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