Question 1072922
x, the unknown time


{{{(315miles)/(105*hours)=(222*miles)/(x*hours)}}}


{{{315/105=222/x}}}


{{{x=222*(105/315)}}},   {{{x=222(5*3*7)/(5*7*9)=222*(5*3*7)/(5*3*3*7)=(222)(5*3*7)/(5*3*7*3)}}}

{{{x=222/3=74}}}


x=74