Respuesta :

9514 1404 393

Answer:

  (c)  41 gallons

Step-by-step explanation:

Since each interval has a width of 1, you can simply add the numbers at the right end of intervals 1–5: 6 + 6 + 8 + 9 + 12 = 41

An estimated 41 gallons of water flowed in the first 5 minutes.