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Aleonysh [2.5K]
3 years ago
7

A car is driving at 100 kilometers per hour. How far, in meters, does it travel in 3 seconds?

Mathematics
1 answer:
dlinn [17]3 years ago
5 0

Answer:

The car travels 83 1/3 meters in 3 seconds.

Step-by-step explanation:

Speed of car  = 100 KM/ hour

1 km= 1000m

1 hour = 3600 seconds

Lets find speed of car in Meters/second

speed of car in m/sec = 100*1000 m/3600 second

here we have taken 1000 for km and 3600 for hour

speed of car in m/sec = 100*1000 m/3600 second = 500/18 m/second

speed of car in m/sec = 250/9  m per sec

We know that

distance = speed*time

speed = 250/9  m per sec

time =3 second

distance = 250/9 * 3 meters = 250/3 meters = 83 1/3 meters.

Thus, car travels 83 1/3 meters in 3 seconds.

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A cinama has 3 screens on last saturday the was 500 visitors 40% went to screen 1 25% went to screen 2 and the rest to screen 3
olga nikolaevna [1]

Answer:

The answer to your question is 200 visitors went to screen 1

                                                     125 visitors went to screen 2

                                                      175 visitors went to screen 3

Step-by-step explanation:

Data

3 screens

total number of visitors = 500

40% screen 1

25% screen 2

rest screen 3

Process

1.- Calculate the 40% of 500

                    500 visitors ------------------- 100%

                        x               -------------------    40%

                        x = (40 x 500) / 100

                        x = 20000/100

                        x = 200 visitors

2.- Calculate the 25% of 500

                     500 visitors ------------------- 100%

                        x                -------------------   25%

                        x = (25 x 500) / 100

                        x = 12500/100

                        x = 125

3.- Calculate the number of visitors to screen 3

                     500 - 200 - 125

                     175

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