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Maths Puzzle
Numerical Ability
2y=1/3x-1
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Mr. Jones is 4 years older than his wife and 31 years older than his son. their ages add up to a total of 82 years. Find how old Mr. Jones is and the ages of his wife and son.
Solve the logarithmic equation. Round the result to the three decimal places if necessary.
log2 x = 1.5