How to solve for density ?

Question

I can't understand my assignment . can you please explain it to me how to solve for it ?
Given is ;
A 160L Barrel of crude oil weights 0.136 Metric Tons (M.T) Calculate the Density of crude oil in
a.) M.T/L
b.)Kg/L
c.)g/ml 

P.s. Do I need to convert the 0.136 M.T. into grams than after I just need to multiply the answer into M.T. and L ? 
Or how do they mean it ? I can't get it :o 
I know that the Formula for Density is M/V but do I need to convert something first before I am going to use the Formula ? Hm just can't get it :x
Please teach me how to solve for it . Thank you

Anonym · Accepted Answer

You don't need to convert for density units, unless specified in the instructions. You can just write it as unit of mass/unit of volume, so it would be MT/L (how many Metric Tons in every Liter of volume?). My physics teacher told us to act like the units were numbers, so you are "dividing" them along with the numbers.

I don't get why they would put other units there... maybe to confuse you.

How to solve for density ?

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