Posted by: jacobgillard | April 8, 2011

Word Problems, part 1

Super Oil

Current fuel prices at Super Oil in Kansanga, Kampala, Uganda

Hey kids!  School isn’t out yet so here’s a fun one for math class.  Many people ask me about the cost of fuel in Uganda.  The metric system predominates so we pay per litre of fuel in Ugandan Shillings but somehow that doesn’t mean much to the average American!  Give the word problems below a try—you may just earn a little extra credit!

For all questions below, assume:

  • the exchange rate is 2,400 Ugandan Shillings to 1 US dollar;
  • diesel is sold for 2,950 Ugandan Shillings per liter; and
  • petrol is sold for 3,450 Ugandan Shillings per liter.
  1. What will it cost in Ugandan Shillings if Rev. Jacob fills the tank of his Toyota Landcruiser VX with 80 liters of diesel fuel?  What is the equivalent in US dollars?
  2. What will it cost in Ugandan Shillings if Mama Amelia fills the tank of her Honda CRV with 45 liters of petrol?  What is the equivalent in US dollars?
  3. If Rev. Jacob fills the tank of his Toyota Landcruiser VX with 220,000 Ugandan Shillings worth of diesel, how many liters will his tank realize?
  4. If Mama Amelia fills the tank of her Honda CRV with 35,000 Ugandan Shillings worth of petrol, how many liters will her tank realize?
  5. If Rev. Jacob pays 2,950 Ugandan Shillings for each liter of diesel fuel, what is the equivalent cost per US gallon of diesel fuel in US dollars?
  6. If Mama Amelia pays 3,450 Ugandan Shillings for each liter of petrol, what is the equivalent cost per US gallon of petrol in US dollars?
  7. If Rev. Jacob fills his tank with 400,000 Ugandan Shillings worth of kerosene, what time is it in London?

Stay tuned for part 2 where we’ll examine distance, mileage, and kilometerage for travel between key towns in Uganda and Sudan.

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