Dave rented a limousine for his wife's birthday. the hourly rate is $70. they used the limousine for 4 hours, plus dave gave the driver a 20% tip. how much did he spend in total for the hourly charges plus tip? question options: dave gave the driver a 20% tip. how much did he spend in total for the hourly charges plus tip? question 2 options: a) $364 b) $224 c) $392 d) $336