Mathematics, 08.12.2020 01:10 Cocco

Brian is adding the lengths of wood posts that he has left from building a pen for his chickens. A photo of chickens is shown.

The lengths are 323, 214, and 213. Brian began with 20 feet of wood.

Write and then evaluate a fraction expression to determine how much wood he used for the pen.
Enter the correct expression in the box.

2 of 2
Simplify inside the parentheses, and then subtract.

Expression: $$

He used
feet.

Answers: 3

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Brian is adding the lengths of wood posts that he has left from building a pen for his chickens. A...