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Water is being poured into a fish tank at a rate of 2 liters every 10 seconds. The tank is 1.2 meters long, 1 meter wide, and 80 centimeters high. How long will it take to fill the tank? Give the answer in minutes.

Answer :

To solve this problem, we first need to determine the total volume of the fish tank and then calculate the time required to fill it at the given rate.

Steps:

  1. Calculate the Volume of the Tank

    The dimensions of the tank are given in meters and centimeters, so let's convert all measurements to meters for consistency. The dimensions are:

    • Length = 1.2 meters
    • Width = 1 meter
    • Height = 80 cm = 0.8 meters

    The formula for the volume of a rectangular prism (like a tank) is:

    [tex]\text{Volume} = \text{Length} \times \text{Width} \times \text{Height}[/tex]

    [tex]\text{Volume} = 1.2 \times 1 \times 0.8 = 0.96 \text{ cubic meters}[/tex]

    Since 1 cubic meter equals 1000 liters, the volume of the tank in liters is:

    [tex]0.96 \times 1000 = 960 \text{ liters}[/tex]

  2. Calculate the Time to Fill the Tank

    Water is being poured into the tank at a rate of 2 liters every 10 seconds. First, let's find out how many liters are being added per second:

    [tex]\text{Rate} = \frac{2 \text{ liters}}{10 \text{ seconds}} = 0.2 \text{ liters per second}[/tex]

    Next, calculate the time required to fill 960 liters at this rate:

    [tex]\text{Time in seconds} = \frac{960}{0.2} = 4800 \text{ seconds}[/tex]

  3. Convert Time from Seconds to Minutes

    Since there are 60 seconds in a minute, the time in minutes is:

    [tex]\text{Time in minutes} = \frac{4800}{60} = 80 \text{ minutes}[/tex]

Therefore, it will take 80 minutes to fill the tank completely.

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Rewritten by : Barada