exam Maths Puzzle Numerical Ability

how do you set up this problem i know the math but i dont know how to set it up in the right order?

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exam Other Question

A rectangle has an area of 330m^2. One side is 7m longer than the other. What are the dimensions of the rectangle? Solve the following system of linear inequalities by graphing: x - 2y <= 4 and x >= 1.