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lys-0071 [83]
3 years ago
6

How long in hours would it take a runner to finish an 11 km race if she is running at a pace of 5.7 mi/hr?

Chemistry
2 answers:
Alenkinab [10]3 years ago
6 0

It would take 1.16 h for the runner to finish the race .

<em>Step 1. </em>Convert <em>kilometres to miles</em>.

11 km × (0.621 mi/1 km) = 6.83 mi

<em>Step 2</em>. Calculate the <em>time</em>.

Time = 6.83 mi × (1 h/5.7 mi) = 1.16 h

Oliga [24]3 years ago
5 0

Answer:  1.199 hour runner will require to cover the 11 km .

Explanation:

Distance covered by  runner = 11 km = 11 × 0.6213 miles = 6.8343 miles

1 km = 0.6213 mile

Speed of the runner = 5.7 mile/hour

speed=\frac{distance}{time}

5.7 mile/hour=\frac{6.8343 miles}{time}

time=\frac{6.8343 miles}{5.7 mile/hour}=1.199 hour

1.199 hour runner will require to cover the 11 km .

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