Question 363715
{{{285/x = 260/(x-5)}}},
{{{285(x-5) = 260x}}},
{{{285x - 1425 = 260x}}},
{{{25x = 1425}}},
x = 57 miles per hour, speed of the faster car.
x - 5 = 52 miles per hour, the speed of the slower car.