Joe is planning a trip to houston and has calculated $450.95 for lodging and $98.00 for food and we’re $114.50 for gasoline. how much will his trip cost?

Simple
450.95 + 98 + 114.5 = 663.45$

The answer is c because you turn 17.5% into a decimal which gives you .175 then you times that by $361.35 which gives you 63.23625 but then you round that which gives you 63.24. then you at 63.24 pulse 361.35 and you round it which gives you $425