exam Maths Puzzle Numerical Ability

The length of a rectangle is 4 in. greater than the width. The perimeter of the rectangle is 24 in. Find the dimensions of the rectangle.

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exam Other Question

I have a word problem. If you deposit money today into an account that pays 6.5 percent interest, how long will it take for you to double your money?

Please help me with the word problem.

thanks This is one I did but it has to do with the following. Please help?
15. Geometry. A homeowner wishes to insulate her attic with fiberglass insulation to conserve energy. The insul