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1. A cheetah ran at a speed of 25 meters per second. What is the equivalent of this rate in kilometers per minute?

A. 2/3 kilometer per minute  B. 1/1/2 kilometers per minute  C. 15 kilometers per minute  D. 40 kilometers per minute.

2. A swimming pool is being filled with water at a rate of 10 liters per second. What is the equivalent of this rate in kiloliters per hour? (1 kiloliter = 1,000 liters)

A. 6 kiloliters per hour  B. 10 kiloliters per hour  C. 36 kiloliters per hour  D. 60 kiloliters per hour

PLEASE HELP  thank u

 Sep 7, 2014

Best Answer 

 #1
avatar+118653 
+5

25metres = 25 divided by 1000 km

1 second = 1/(60*60) hours

 

so 

$$\frac{25metres}{1sec}\\\\
=\dfrac{\frac{25}{1000}}{\frac{1}{60*60}}\;\; km/hour\\\\\\
=\dfrac{0.025}{\frac{1}{3600}}\;\; km/hour\\\\\\
=0.025 \div \frac{1}{3600}\;\; km/hour\\\\
=0.025 \times \frac{3600}{1}\;\; km/hour\\\\
=0.025 \times 3600\;\; km/hour\\\\\\$$

 

and you can finish it   

 Sep 7, 2014
 #1
avatar+118653 
+5
Best Answer

25metres = 25 divided by 1000 km

1 second = 1/(60*60) hours

 

so 

$$\frac{25metres}{1sec}\\\\
=\dfrac{\frac{25}{1000}}{\frac{1}{60*60}}\;\; km/hour\\\\\\
=\dfrac{0.025}{\frac{1}{3600}}\;\; km/hour\\\\\\
=0.025 \div \frac{1}{3600}\;\; km/hour\\\\
=0.025 \times \frac{3600}{1}\;\; km/hour\\\\
=0.025 \times 3600\;\; km/hour\\\\\\$$

 

and you can finish it   

Melody Sep 7, 2014

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