exam Maths Puzzle Numerical Ability

Construction How many bundles of strip flooring are needed to cover a rectangular floor area 16ft by 12ft6" in size if a bundle of strip flooring contains 24 sq ft, and 30% extra must be allowed for side and end matching?

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exam Other Question
Factor completely.
49x^2 - 9 I am having trouble with this nonlinear equation. Could you help me?
Problem: (y=x^2-2x+3
(y=x^2-x-2


Thank you tremendously for your helping me with this problem.