How much channel iron remains in the scrap pile, in inches?

The inventory of a scrap pile is as follows:

Channel iron, 87”
Plate steel, 147”
Key stock, 45”
Pipe, 69”
Flat iron strap, 208”

A pipe support is welded using the following materials from the scrap pile:

Channel iron, 61”
Plate steel, 106”
Key stock, 39”
Pipe, 22”
Flat iron strap, 189”


ANS: 26

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