exam Maths Puzzle Numerical Ability

With a given tail wind, an airplane can travel 1080 mph in six hours. But flying in the opposite direction with the same wind blowing, the plane can fly only one-third of that dist

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exam Other Question

solve the following system by addition. if a unique solution does not exist, state whethere the system is consistent or dependent.

2x+3y=1
5x+3y=16
-7x+y=20
9x-3y=36