exam Maths Puzzle Numerical Ability

If James is 3 times the age of Eric, and 5 years ago James was 4 times the age of Eric how old are they each?

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exam Other Question

1. A rectangular garden has dimensions of 18 feet by 13 feet. A gravel path of uniform width is to be built around the garden. How wide can the path be if there is enough gravel for 516 square feet? (x^2-3)(x^2+3x-4)=0