Now that there are one billion cars on the planet

With one billion cars on the planet it might be prudent to consider our oil use. Most cars run on the stuff.

GIVEN that

  • there are today one billion cars on the earth.
  •  the average car travels 15,000km a year and uses 1 liter to travel 12km.
  •  Global oil reserves were calculated to be 1,383 billion barrels in 2010.
  • One barrel is 159 liters of oil.
  • One barrel can give 146 liters petrol and diesel.

CALCULATE

  • Given that the number of cars in the world remains steady and if the world only uses oil for its cars, ESTIMATE how many years can we carry on driving.

NOTES

One billion = one thousand million: it is written as 1 000 000 000 or 109

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