Question

A standard showerhead in Reyna's house dispenses 9 gallons of water per minute. Reyna 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 Reyna save each day with the change in showerheads if he uses the shower for 8 minutes each day? (1 point)

a
14 gallons

b
48 gallons

c
69 gallons

d
96 gallons

Question 9 (1 point)

Answer 1

Explanation:

Solve for x and y: 1/3x +y + 1/3x-y = 3/4 1/2(3x+y) - 1/2(3x-y) = 1.8