document.write( "Question 1095674: Hi
\n" ); document.write( "the amount of water in a tank decreases by half every half hour.the tank now has 70 cubic metres of water. How much water will be left after 90min.\r
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Algebra.Com's Answer #710186 by josgarithmetic(39633)\"\" \"About 
You can put this solution on YOUR website!
\"...every half hour...\"\r
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\n" ); document.write( "\n" ); document.write( "The simple way:\r
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document.write( "Now        70\r\n" );
document.write( "30 min     35\r\n" );
document.write( "60 min     17.5\r\n" );
document.write( "90 min     8.75\r\n" );
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\n" ); document.write( "\n" ); document.write( "8.75 cubic meters remain after 90 minutes.
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