exam Maths Puzzle Numerical Ability

2.5(x-3)+1.7x=10.8(x+1.5)

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exam Other Question

3sqrt2x^3-sqrt8x^3 A boat travels 45 mi upstream (against the current) in 5h. the boat travels the same distance downstream 3 h. what is the rate of the boat in still water? what is the rate of the current?