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anonymous
 one year ago
Need an explanation @iambatman @jamesr
anonymous
 one year ago
Need an explanation @iambatman @jamesr

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I need help figuring out how to solve something like this.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0A standard showerhead in Marty's house dispenses 7 gallons of water per minute. Marty changed this showerhead to an energysaving 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 Marty save each day with the change in showerheads if he uses the shower for 8 minutes each day?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I just need someone to explain how to do it.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1The standard showerhead uses 7 gallons per minute. In 8 minutes, it uses \(7~ \dfrac{gallons}{minute} \times 8~minutes = 56~gallons\) The energysaving showerhead uses water according to the equation y = 3x, where y = number of gallons, and x = minutes. For 8 minutes, we let x = 8 y = 3(8) y = 24 The daily savings of water is 56 gallons  24 gallons What is 56  24 = ? Since y = number of gallons, this means that the energysaving showerhead uses 24 gallons of water in 8 minutes.
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