exam Maths Puzzle Numerical Ability

So when you have a fraction, it is always rational because the two numbers on top are both integers. Right?

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exam Other Question

The length of a golden retangle is approximately 1.6 times the width. Find the dimensions of a golden rectangle if its area is 9000m^2. Solve hte indicated system of equations by graphing. Interpert your graph and indicate the solution.

3x - y = 9

2x + y = 11

For part of it I have: 5x = 20 x = 4