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28 May, 11:41

This rectangular tank is filled with water to a height of 4 centimeters. How much more water is needed to fill the tank completely? the width is 18 cm, length 12 cm, and height 6 cm.

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  1. 28 May, 12:24
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    so calculate the Volume of the water that is already in the tank

    so l x w x h

    4 x 18 x 12

    =864cm^3 is in the tank

    find the total volume of the tank:

    6 x 18 x 12

    =1296cm^3

    and subtract the current from the total to find what you need:

    1296cm^3 - 864cm^3

    = 432 cm^3

    you can also find how much you need by using the remaining 2cm from the height (6-4=2) and use the volume formula with 2 substituted as the height and you'll get the same answer
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