Algebra Practice Quiz 9

Multiple Choice Questions. Click on the correct answer.

Problem 1.


1. A strip of metal 100 inches wide is bent into a trough of rectangular cross section. The top is open. The area of the cross section is 800 square inches. The depth is less than the base. How deep is the trough?
    (a)
    10.
    (b)
    80.
    (c)
    20.
    (d)
    40.
    (e)
    none of these.


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