Which step should be performed first when simplifying 25 − (14 − 8) + 3 × 2?
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I found my notes for this exact paper and I have that first problem written. hopefully this helps
Total height of lumber, H = 10 1/2 feet = 21/2 feet .
Height of side panel, h = 5 2/3 feet = 17/3 feet .
Now,
Extra lumber required, L = 2 × Height of side panel - Total height of lumber
Therefore, extra lumber required is feet.
Hence, this is the required solution.