Question 580107
{{{A/B}}} = {{{2/5}}} ___ multiplying by B ___ {{{A}}} = {{{2B/5}}}


{{{C/B}}} = {{{4/3}}} ___ multiplying by B ___ {{{C}}} = {{{4B/3}}}


{{{A/C}}} = {{{(2B/5)/(4B/3)}}} = {{{(2B/5)*(3/4B)}}} = {{{3/10}}}