Astandard showerhead in sonia's house dispenses 12 gallons of water per minute. sonia changed this showerhead to an energy-saving one. the equation shows the amount of water dispensed, y, as a function of the number of minutes, x, for the new showerhead. y = 3x how much water does sonia save each day with the change in showerheads if she uses the shower for 8 minutes each day? 9 gallons 17 gallons 72 gallons 93 gallons