Exercise 6
More on coal
When you are an inspector it will be very useful if you can work out how much it costs to run a preserved railway.
Coal costs £66 per tonne.
Question 1: If Lady Ingrid used 100kg of coal per hour, what would this cost?
Answer: £
She actually uses 90kg at a cost of £5.94.
Question 2: If Lady Ingrid's bunker held 400kg of coal, what would it cost to fill the bunker?
It actually holds 360kg which costs £23.76.
leave
