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Maths Puzzle
Numerical Ability
A man is 4 times as old as his son. Eighteen years from now, he will be only twice as old as his son. Find their present ages.
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book Other Question
15. Adult tickets for a play cost $16 and child tickets cost $9. If there were 24 people at a performance and the theater collected $258 from ticket sales, how many children attended the play?
Graph the parabola:
y = (x-4)^2 - 2