Hello please help, thank you!!

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

Need asap. solve for the following inequality

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²