exam
Maths Puzzle
Numerical Ability
Simplify, log a x^a - log b a^x + c, as a single logarithm.
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exam Other Question
Ching leaves San Fransisco and travels toward Los Angeles at 50mi/h. An hour later, Phil leaves Los Angeles and travels toward San Fransisco at 60 mi/h. If the two cities are 380 miles apart, how many hours will it take for Ching to meet Phil?
3(radical sign)(x+y)^3 times 3(radical sign) (x+y)^5