Arental truck cost $48 plus $0.40 per mile.
(a) write an equation that gives the cost of driving the truck x miles.
(b) use the intersection- of graph method to determines the number of miles the truck is driven if the rental cost is $60
(c) solve part (b) numerically with a tables of values.

(a) If we let x be the number of miles and y be the total cost, the equation for relating the number of miles and the total cost would be,
                                y = 0.4x + 48

(b) If the rental cost is 60,
                               60 = 0.4x + 48
The value of x from the equation is 30.

(c) You may prepare the table of values by allowing x be any number and then solve for y until we arrive with an answer for y being equal to 60. 

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