Question 189639
Let the distance traveled by the eastbound car ={{{d}}} mi
given:
{{{18^2 + d^2 = (d + 6)^2}}}
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{{{324 + d^2 = d^2 + 12d + 36}}}
Subtract {{{d^2}}} from both sides
{{{324 = 12d + 36}}}
{{{12d = 288}}}
{{{d = 24}}}
The eastbound car traveled 24 mi