KM 654e-20161206080106

A number increased by twelve is less than seven times the number If a number is squared, the result is forty-nine The product of a number and its square is eight The sum of a number and its square is eight We get four when we subtract fifteen from twice a number ... x = 16 the son is 16 and the father is 48. In five years the sum of their ages ... ................
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