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PilotLPTM [1.2K]
2 years ago
12

Suppose you have entered 97​-mile biathlon that consists of a run and a bicycle race. During your​ run, your average velocity is

8 miles per​ hour, and during your bicycle​ race, your average velocity is 27 miles per hour. You finish the race in 5 hours. What is the distance of the​ run? What is the distance of the bicycle​ race?
Mathematics
1 answer:
KonstantinChe [14]2 years ago
3 0

The distance of the run Will be 16miles and the Distance of the bicycle race will be 81 miles.

<h3>What is speed?</h3>

Speed is defined as the ratio of the time distance travelled by the body to the time taken by the body to cover the distance.

Distance = average velocity × time

Let the time and distance of the run, respectively, be t₁ and.d₁

Let those of the bicycle race be t₂ and d₂

From the question,

t₁ + t₂ = 5

d₁ = 8t₁

d₂ = 27t₂

Total distance = 97

8t₁ + 27t₂ = 97

8 ( 5 - t₂ ) + 27t₂ = 97

40 - 8t₂ + 27t₂ = 97

40 + 19 t₂ = 97

19t₂ = 57

t₂ = 3 hours

t₁ + t ₂ = 5

t₁ = 5 - t₂

t₁ = 5 - 3 = 2 hours

Now the distances are calculated as:-

d₁ = 8t₁ = 8 x 2 = 16 miles

d₂ = 27t₂ = 27 x 3 = 81 miles

Therefore the distance of the run Will be 16miles and the Distance of the bicycle race will be 81 miles.

To know more about Speed follow

brainly.com/question/6504879

#SPJ1

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