if 1 tic equals 5 tacs and 2 tacs equal 8 tocs , what is the ratio of one tic to one toc ?
"tic = 5 * tac and 2 * tac = 8 * toc ; 2 * tic = 10 * tac and 10 * tac = 40 * toc - - > 2 * tic = 40 * toc - - > tic / toc = 40 / 2 = 20 / 1 . answer : b ."
add(divide(8, 1), divide(5, 1))