The cost of renting a car is composed of two parts: a fixed charge of $ 30 to cover insurance and maintenance costs, and a charge of 50 cents per miles traveled

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a) Let C represent the total cost , and n represents the number of miles driven. Complete the equation can be used to calculate the total cost in dollars of renting a car.

C = 0.5 N + .....

b ) Complete the table of values below , using the equation for calculating the values for C :

Distance traveled ( km ), n

0 50 100 150 200 500 1000
The total rental cost ($) , C

f ) How many miles were traveled if the total cost was $ 405? Explain how you arrived at the solution.