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Traveling alone in a car uses 3.6 MJ of energy per kilometer. If four people go on a trip of 400 miles, what is the MJ used per person

Sagot :

The car will require 2304MJ to convey four people over a distance of 640km.

Data;

  • Consumption per kilometer = 3.6MJ
  • distance travelled = 400miles

Conversion of Miles to Kilometer

To solve this problem, we have to convert the distance travelled from miles to kilometer.

[tex]1mi=1.6km[/tex]

Let's convert 400miles to kilometer

[tex]1mi=1.6km\\400mi=x km\\x = \frac{400*1.6}{1}\\ x = 640km[/tex]

But we were told that the car requires 3.6MJ per kilometer, how much MJ will it take to cover 640km.

[tex]1km=3.6MJ\\640km= x MJ\\x = 640*3.6\\x = 2304MJ[/tex]

From the calculations above, the car will require 2304MJ to convey four people over a distance of 640km.

Learn more on rates here;

https://brainly.com/question/8728504

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