Donovan is playing a word game with letter tiles. Players earn 10 points for every word they make with the tiles, plus 5 extra points if a word has six or more letters. At the end of the game, 3 points are taken away for each tile not used. . Write an expression to represent Donovan's total score if one of his words contains six letters. W = the number of words made t = the number of tiles not used 10w = the points earned from words made 3t = the points taken away from tiles not used 5 = the points earned per 6-letter word 10 3 5.