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SunsetPrincess
27.02.2021 •
Mathematics
Aiko works in the fish department of a pet store. She is asked to drain, clean, and refill two reef tanks. The
first tank holds 175 gallons of water, and the second tank holds 200 gallons of water. The hoses that she
uses drain the tanks at a rate of 25 gallons of water per hour.
1. Write an equation for each tank that represents the total amount of water in gallons in the tank, y, in
terms of the number of hours, x, that the tanks are draining.
2. How much water is in each tank after 3 hours?
3. Write your equations in the first row of the table. Then, complete the table of values for the linear system.
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Ответ:
The values of x and y are:
x = 6y = 15Step-by-step explanation:
We know 6y = 5x + 4y = 90°. Now, let's solve.
=> 6y = 90=> y = 90/6=> y = 15=> 5x + 4(15) = 90=> 5x + 60 = 90=> 5x = 30=> x = 30/5=> x = 6Hence, the values of x and y are:
x = 6y = 15Hoped this helped.