exam Maths Puzzle Numerical Ability

log base 2 (3x+2) -log base 4 x=3

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exam Other Question

Flying against the jetstream, a jet travels 3700 km in 5 hours. Flying with the jetstream, the same jet travels 9280 in 8 hours. What is the speed of the jet in still air, and what is the speed of the jetstream? Please help me simplify this: 5 plus 8 radical 11 over 1 minus radical 11