exam Maths Puzzle Numerical Ability

could you help me out with this one: log(base 1/2)x + 16log(base x)2 = 1

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exam Other Question

Your are ordering softballs for two softball leagues. The Pony League uses a 12-inch softball priced at $3.25. The bill smeared in the rain, but you know the total was 80 softballs When 2 is subtracted from the numerator and 1 is added to the denominator of a positive fraction the result is 5. Find the fraction given that it lies between 7 and 8.