Question

A standard 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

Answer 1

@legomyego180 @eskelle

Answer 2

(12*8)-(8*3)

Answer 3

72!!

Answer 4

next!

Luther and Martin are members of different video game libraries.

Luther pays an $85 membership fee and $9 for each video game he rents.

The following function shows the total amount of money, y, in dollars, that Martin pays for renting x number of video games:
y = 6x + 60.

How many more dollars does Luther pay for a membership fee than Martin?

$6
$9
$15
$25

Answer 5

@legomyego180