document.write( "Question 808133: There are 7 same sized cups filled with water which will be used for watering plants. Fred used 1/3 of each cup of water. Janice used 1/4 of each cup of water. Approximately how many cups of water remain? \n" ); document.write( "

Algebra.Com's Answer #486853 by JBarnum(2146) $\"\"$ $\"About$

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first make equivalent denominators
\n" ); document.write( "4 times 3 is 12
\n" ); document.write( "fred uses 4/12 of each cup
\n" ); document.write( "janice uses 3/12 of each cup
\n" ); document.write( "so together they use up 7/12 of each cup
\n" ); document.write( "leaving 5/12 of each cup unused
\n" ); document.write( "there are 7 cups so multiply 7 times the unused portion
\n" ); document.write( " $\"7%285%2F12%29=x\"$
\n" ); document.write( " $\"35%2F12=x\"$ = $\"2\"$ and $\"%2811%2F12%29\"$
\n" ); document.write( "so 2.91666666666666666666... cups of water were not used...what a waste.
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