marts income is 30 percent more than tims income and tims income is 40 percent less than juans income . what percentage of juans income is marts income
"m = ( 130 / 100 ) t t = ( 60 / 100 ) j = > m = ( 78 / 100 ) j answer c ."
multiply(divide(add(const_100, 30), multiply(divide(const_100, subtract(const_100, 40)), const_100)), const_100)