math

posted by Anonymous

A large rectangle has an area of 28 square units. It has been divided into two smaller rectangles. One of the smaller rectangles has an area of 4 square units. What are possible whole-number dimensions of the large rectangle? Justify your reasoning.

1. Steve

example
1x28: 1x4 + 1x24

Now work through the other pairs of factors, using only those which allow splitting off a smaller rectangle.

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