in 2008 , the profits of company n were 8 percent of revenues . in 2009 , the revenues of company n fell by 20 percent , but profits were 15 percent of revenues . the profits in 2009 were what percent of the profits in 2008 ?
"the profit 0 f 2009 interms of 2008 = 0.8 * 15 / 8 * 100 = 150 % a"
multiply(divide(multiply(15, subtract(const_1, divide(20, const_100))), 8), const_100)