Question 1170342


<pre>{{{matrix(3,5, matrix(1,2, 3, feet)/matrix(1,2, 1, "second(s)"), "*", matrix(1,2, 1, "mile(s)")/matrix(1,2, "5,280", feet), "*", matrix(1,2, "3,600", "second(s)")/matrix(1,2, 1, "hour(s)"), matrix(1,2, 3, cross(feet))/matrix(1,2, 1, cross("second(s)")), "*", matrix(1,2, 1, "mile(s)")/matrix(1,2, "5,280", cross(feet)), "*", matrix(1,2, "3,600", cross("second(s)"))/matrix(1,2, 1, "hour(s)"), 3/1, "*", matrix(1,2, 1, "mile(s)")/"5,280", "*", "3,600"/matrix(1,2, 1, "hour(s)"))}}}
{{{matrix(1,5, matrix(1,2, "3(3,600)", "mile(s)")/matrix(1,2, "5,280", "hour(s)"), "=", matrix(1,2, 3(15), "mile(s)")/matrix(1,2, 22, "hour(s)"), "=", highlight(matrix(1,2, 2.045, mph)))}}}