Tim earned 5 dollars for every lawn he mowed. If he mowed 3 lawns and he already had 9 dollars saved up, how much money does he have total?

Will spent $4 on a board game and then he bought 3 action figures for $7 each. How much money did he spend on the game and figures?

A pet store has six bird cages. If each cage has six parrots and two parakeets in it, how many birds does the pet store have total?

A waiter had nine tables he was waiting on, with seven women and three men at each table. How many customers total did the waiter have?

Maria's class is going on a field trip to the zoo. If each van can hold nine people and there are forty-one students and thirty-one adults going, how many vans will they need?