exam Maths Puzzle Numerical Ability

x over x-5 + 3 over 5-x=2

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exam Other Question

The Randolphs used 12 more gal of fuel oil in October
than in September and twice as much oil in November as in September. If they
used 132 gal for the 3 months, how much was used during each month? If n is any negative number, which of the following must be positive?

(A) n/2
(B) 2n
(C) n + 2
(D) n - 2
(E) 2 - n