a contractor undertook to do a piece of work in 6 days . he employed certain number of laboures but 7 of them were absent from the very first day and the rest could finish the work in only 10 days . find the number of men originally employed ?
"let the number of men originally employed be x . 6 x = 10 ( x â € “ 7 ) or x = 17.5 answer c"
divide(multiply(10, 7), subtract(10, 6))