How many miles driven?

​Josh rented a truck for one day. There was a base fee of $18.95, and there was an additional charge of 80 cents for each mile driven. Josh had to pay $299.35 when he returned the truck. For how many miles did he drive the truck?

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x = number of miles driven

0.8x + 18.95 = 299.35  {$0.80 per mile plus 18.95 base fee equals total $299.35}
0.8x = 280.4  {subtracted 18.95 from each side}
x = 350.5  {divided each side by 0.8}

he drove 350.5 miles

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