I need a fast answer because I’m about to get on a plane

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?