if 3 tic equals 6 tacs and 2 tacs equal 7 tocs , what is the ratio of one tic to one toc ?
"3 tic = 6 * tac and 2 * tac = 7 * toc ; 6 * tic = 12 * tac and 12 * tac = 42 * toc - - > 6 * tic = 42 * toc - - > tic / toc = 42 / 6 = 7 / 1 . answer : a ."
add(divide(7, 3), divide(6, 3))