exam Maths Puzzle Numerical Ability

A 30 inch by 40 inch countertop for a work island is to be covered with green ceramic tiles, except for a border of uniform width, if the area covered by green tiles is 704 square inches (in^2 ) , then how wide is the border?

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exam Other Question

6(t+2)-4(t-3)=0 Determine the x- intercepts of the graph of p(x) = (x + 8)^2 (x - 12) (x - 10).
For each x-intercept, determine whether the graph of p crosses the x-axis or
intersects but does not cross the x-axis.