exam Maths Puzzle Numerical Ability

7x+2y-3=0

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exam Other Question

A plane flies 560mi in 1.75 hr traveling with the wind. The return trip later against the same ind takes the plane 2 hrs. Find the speed of the plane and the speed of the wind. What form does the solution(s) of an independent system of two linear equations in two variables take and where do you find the solution(s) on a graph?