in 2006 the cost of fuel was 10% less than the cost in 2005. calculate the cost in cents per litre in 2005
To find the cost in cents per litre in 2005, we'll assume the cost in 2005 is equal to 100 cents.
If the cost of fuel in 2006 was 10% less than the cost in 2005, we can find the cost in 2006 by subtracting 10% from 100 cents.
10% of 100 cents is (10/100)*100 = 10 cents.
So, the cost of fuel in 2006 is 100 cents - 10 cents = 90 cents.
Thus, the cost in cents per litre in 2005 is 100 cents.