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To find the height of the sandwich, we can use the formula for the area of a triangle, which is A = 1/2 * base * height.
Given that the base of the sandwich is 4 inches and the area is 7 square inches, we can plug those values into the formula:
7 = 1/2 * 4 * height
Dividing both sides of the equation by 2:
7/2 = 4 * height
Simplifying the equation:
3.5 = 4 * height
Dividing both sides of the equation by 4:
3.5/4 = height
The height of the sandwich is 0.875 inches.