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Math Help - help with this word problem. algebra wordproblem

  1. #1
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    help with this word problem. algebra wordproblem

    the expression 19.95+ 0.2x models the daily cost in dollars of renting a car. in the expression x represents the number of miles the car is driven . what is the cost of renting a car for a day when the car is driven 50 miles? thanks!! is the answer 20.45x? if not show me how you did it.
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  2. #2
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    Re: help with this word problem. algebra wordproblem

    \text{Daily cost} = 19.95+ 0.2x where x = the number of miles the car has driven

    You know the car has been driven 50 miles, and so replace x with 50 to get...

    \text{Daily cost} = 19.95+ 0.2 \cdot (50)
    \text{Daily cost} = ...
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