Sofia has 16 hours to paint a living room and 2 bedrooms. She spends 7 hours painting the living room. Write and solve an inequality to find how much time x she can spend on each bedroom if she splits her time equally.

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?