A firm produces and sellsthese products x1,x2 and x3. The total profit from sellingthese products are 868. The profits from selling each units of these products are 8 , 6 and 7 respectively . Product x1 compliments product x2 so that for sale of every 1 unit of x1 8 units of x2 are sold the combined profits from the sale of x1 and x2 exceed that of x3 by 252 . You are required to find out the number