document.write( "Question 430731: Sixteen liters of water fill my fish tank to 2/5 of its capacity. How many liters does it take to fill the tank? \n" ); document.write( "
Algebra.Com's Answer #536129 by Tanzina ahamed(5)\"\" \"About 
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let the capacity of the tank is x L
\n" ); document.write( "Then to fill 2x/5 of the capacity we need 16 L of water
\n" ); document.write( "to fill x capacity we need 16*5/2=40 L of water
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