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harkovskaia [24]
3 years ago
10

A car travels 182 kilometers in 4 hours with the constant speed. how much time will it take traveling 42 kilometers

Mathematics
1 answer:
Schach [20]3 years ago
6 0

Answer:

55.38 min

Step-by-step explanation:

A car travels,

182 km ⇒ 4 hours

And we have to find the time that it takes to travel 42 km .

Lets make a equation.

Let the unknown time be x

182 km ⇒ 4 hours

42 km ⇒ x

To make easy let's km in to meters and hours in to minutes

182000 m ⇒ 240 min

42000m ⇒ x

Now use cross multiplication.

182000x=240*42000\\

182000x=10080000

\frac{182000x}{182000} =\frac{1008000}{182000}

x =55.38min

Hope this helps you.

Let me know if you have any other questions :-)

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Answer:

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Step-by-step explanation:

This is a simple interest problem.

The simple interest formula is given by:

E = P*I*t

In which E are the earnings, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.

After t years, the total amount of money is:

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In this question:

P = 980, I = 0.011, t = 7

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T = E + P = 980 + 75.46 = 1055.46

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Answer:

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(Answer:

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