Question 925249
D = rt, t = D/r
Time traveled Equal
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{{{x/20mph = (250-x)/20mph}}}| Cross Multiplying to solve
20(250-x) = 20x
5000 = 40x
125mi = x
{{{125mi/(20mph)}}} = 6.25 hr  0r 6hr  and 15min
4:30pm + 6hr and 15min = 10:45 pm