exam Maths Puzzle Numerical Ability

1520=1.25x+1.10y
1535=1.10x+1.25y

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exam Other Question

can you please help me with this question. I have been confused for about three hours and I would really appreciate it if you would help me. thanks....

x^2 - 7x - 18 = 0
Sometimes it is difficult to determine the exact solution to a system of equations graphically. Let’s try the following linear system:


3x - 7y = 14
5x + 3y = 9