Question 1087455
{{{x^2/25^2+y^2/20^2=1}}}
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Outer edge of the truck would be (11,14) allowing 1 foot from the center divider,
{{{11^2/25^2+14^2/20^2=121/625+196/400=1709/2500<1}}}
So the truck boundary is contained within the ellipse so it will pass under the archway while staying in its lane.
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*[illustration fe3.JPG].