exam Maths Puzzle Numerical Ability

5 fl. oz. of a 2% alcohol was mixed with 11 fl. oz. of a 66% alcohol solution. Find the concentration of a new mixture.

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exam Other Question

express as a single logarithm

5logN-3logN^4 (the last part meens exponent 4) find the measure of an angle such that the difference between the measures of its supplement and three times its complement is 10degrees.