A triangular pyramid has a base area of 72 cm squared and a height/altitude of 9 cm. If a cross section is cut 3 cm from the base of the pyramid, find the area of the cross section.

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 ?