Respuesta :

Answer:

5 1/6 hours

Step-by-step explanation:

Add the hours he volunteers

2 5/6 + 2 1/3

Get a common denominator of 6

2 5/6 + 2 1/3*2/2

2 5/6 + 2 2/6

4 7/6

This is an improper fraction

4 6/6 + 1/6

5 1/6

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