Guinea, Liberia, Sierra Leone have a total population of 12,348,000. In those countries 1% of the people have been infected with the Ebola virus. About 50% of those infected have died. How many people have died?

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?