(10+20) +13= 10 + (20+13)

Nothing is known about the personal life of the ancient greek mathematician diophantus except for the information in the followming epigram. diophantus passed 1/6 of his life in childhond 1/12 in youth. and 1/7 more as a bachelor. five years after his marriage was born a son who died four years before his father, at 1/2 his fathers final age. how old was diophantus when he died?

5.) by the conditions of a will, the sum of php25,000 is left to a girl to be held in trust by her guardianuntil it amounts to php45,000. when will the girl receive the money if the fund is invested at 8%compounded quarterly? ​

Find a 3 digit number wich has only 3 prime factors​