Question 1203709
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<pre>

Write equation as you read the problem

    5*70 + 0.2*m = 399  dollars.


Simplify and find "m", the miles

    350 + 0.2m = 399

    0.2m = 399 - 350

    0.2m = 49

       m = {{{49/0.2}}} = {{{490/2}}} = 245.


<U>ANSWER</U>.  245 miles.
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Solved.