William meyer has driven his used car 16,789 miles since purchasing it for $6500 two years ago. he spent a total of $1868 on gas, oil changes, maintenance, and tires. he spent $815 on insurance and registration. the car has depreciated by $2100. what is the cost per mile?
(depreciation is included with variable cost)

cost per mile=(variable cost+fixed cost)divided by number of miles driven.

heres where i need so i think that

cost per mile=(1868+815+2100) divided by 16789 = about 0.28

that would mean the answer is $0.28
is that

Convert 2000 swiss francs to dutch guilders

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.