exam Maths Puzzle Numerical Ability

A painting canvas has a length 7 inches longer than its width. If the area is 78 in^2, what are the dimensions of the canvas?

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exam Other Question

How many ways can 4 geometry books and 3 algebra books be arranged ina row if the geometry books must be kept together and the algebra books must be kept together? Write two different equations for which the solution set over the domain {0,1,2,3,4} is the given set. The given set for this problem is {0,3}.
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