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![Socrates](310socratic.jpg)
Socrates
The answer is 28.
Fourteen writers.
Seven scientists.
Four philosophers.
Three women.
The whole number of thinkers is X
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Here's the working:
Let X be the number of thinkers.
Half X plus a quarter X plus a seventh X plus tree make up the
whole amount.
Therefore:
X= X/2 +X/4 + x/7 +3
So
X= X(14 + 7 + 4) +3
_________
28
28X = 14X +7X +4X + 84
28X= 25X + 84
3X = 84
X= 28