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meriva
3 years ago
8

A race car travels at a speed of 230 miles per hour. The race track on which the car is competing is 400 miles long. About how l

ong does it take for the car to finish, disregarding pit stops and yellow flags?
A) 174 minutes
B) 345 minutes
C) 1 hour 45 minutes
D) 2 hours 14 minutes
Mathematics
2 answers:
olga nikolaevna [1]3 years ago
7 0
To solve for this we will be using the formula S = D/T

S = Speed
D = Distance 
T = Time

First we need to re-arrange this formula to solve for time

T= D/S

T = 400/230

T=1.74 hours

.74 hours is close enough to .75 that we can say it is 45 minutes

So it is 1 hour and 45 minutes
gavmur [86]3 years ago
7 0

Answer:

Option(c)

Step-by-step explanation:

The race track on which the car is competing miles= 400 miles

A car travels with speed= 230 miles per hour

We have to find time taken for the car to finish

As we know,

Time taken to cover certain distance=\frac{Distance}{Time}

Time taken to cover certain distance=\frac{400}{230}

Time taken to cover certain distance=\frac{40}{23}

Time taken to cover certain distance=1 hour 45 minutes

Hence, the correct answer is option(c)

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