In week 6. I found the problem is to make the document about the distance and the tank. It is calculated to find the performance happens by formulas, and change unit data. Doing so might crash in to change the unit of data.
In Week 6 I found the problem was documented on distance and fuel. It is calculated for efficiency caused by having to change the formula and the agency's data. May make a mistake in changing the unit of data.
In the week 6. I found the problem is making the documents about the distance and petrol. It is calculated to find the efficiency caused by using the formula and changing the unit of information. Make errors may change in units of information.