Rachel uses 15 colored beads for a bracelet and 85 colored beads for a necklace one out of every three beads in the bracelet was blue 1/5 of the beads and the necklace was also bloom what percent of the total number of beads in the bracelet and necklace were blue

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?