Choose the appropriate expression for the following situation.
Joe worked outside 2 hours less than his little brother. How long did Joe work outside?
$2 b$ $b-2$
\[
\frac{2}{b}
\]

Answer

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Answer

$\boxed{b-2}$ is the appropriate expression for the time Joe worked outside.

Steps

Step 1 ：Let the time his little brother worked be denoted as b.

Step 2 ：To find the time Joe worked outside, subtract 2 hours from the time his little brother worked: $b - 2$.

Step 3 ：$\boxed{b-2}$ is the appropriate expression for the time Joe worked outside.