Multi-Step Word Problems

“A baker charges $5.00 for a plain cake plus $2.00 per topping. If someone buys a cake with 3 toppings and leaves a $2 tip, what is the total cost? A plumber charges a $30 base fee plus $25 per hour for labor. If the plumber works for 2 hours and the customer gives them a $5 bonus, how much does the customer pay in total? A rental car company charges $25 per day plus $0.10 per mile. If someone rents a car for 3 days and drives 100 miles, what is the total cost?”