Need help to solve these plus show all working out?

Answers:0   |   LastUpdateAt:2012-07-16 16:35:02  

Question
Melbut
Asked at 2012-07-16 16:35:02
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
.
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.
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