if 5 x = 6 y and xy ≠ 0 , what is the ratio of 1 / 4 * x to 1 / 6 * y ?
"5 x = 6 y = > x / y = 6 / 5 1 / 4 * x to 1 / 6 * y = x / y * 3 / 2 = ( 6 / 5 ) * ( 3 / 2 ) = 9 / 5 ans : c"
multiply(divide(divide(1, const_3.0), divide(1, 5)), divide(6, 5))