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18 votes
18 votes
Brainy reward help me pls

Brainy reward help me pls-example-1
User David Kaufman
by
2.4k points

2 Answers

16 votes
16 votes

Answer:

-2/3 gallons/min

Step-by-step explanation:

let x = time in minutes

let y = volume of water in gallons

when x = 0, y = 7

when x = 3, y = 5


\mathsf{rate \ of \ change \ = (change \ in \ y)/(change \ in \ x)=(7-5)/(0-3)=-\frac23 \ gallons/min}

User Alan Deep
by
2.5k points
21 votes
21 votes

Answer:


\sf (2)/(3) \ is \ the \ change \ per \ minute \ in \ the \ amount \ of \ water.

Step-by-step explanation:


\sf unit \ rate : (y_1-y)/(x_1-x)


\sf unit \ rate : (7-5)/(3-0)


\sf unit \ rate : (2)/(3)

User Johnjohn
by
3.0k points