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What is the prime factorization of 195

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?

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?