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Maths Puzzle
Numerical Ability
if x= the sum of 9% of 21..then wut would the product of 23x equal if no quotient was present for no percentage?
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book Other Question
an airplane flew for 4 hours with a 15 mi/h tail wind. the return flight against the same wind took 5 hours. find the speed of the airplane in still air.
2(3x-5)>2x+6