harold works at a resort from the beginning of march to the end of september . during the month of august this past year , he made 2 times the average ( arithmetic mean ) of his monthly totals in tips for the other months . his total tips for august were what fraction of his total tips for all of the months he worked ?
"the time from beginning of march to the end of september is 7 months . if x is the average monthly tip for all months other than august then his august month tip will be 2 * x his total tip for the 7 months = 6 * ( average tip for the months other than august ) + 2 x = 8 x august tips as a fraction of total tips = 2 x / 8 x = 1 / 4 . so c"
divide(multiply(2, const_1), add(multiply(2, const_1), multiply(2, const_1)))