Respuesta :

anon358
You just add the values for volunteers that worked 16-20 hours and 21-25 hours which would be 50 + 10 = 60. So the total number of volunteers that workers more than 15 hours is 60.
lovejuless99
50 ppl worked 16-20 hours & 10 ppl worked 21-25 hours.
The correct answer is C.) 60

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