document.write( "Question 604526: Solve: (4 x 9 ÷ ?) ÷ (4 x 5) x 5 = 1.8 \n" ); document.write( "
Algebra.Com's Answer #381256 by alicealc(293)\"\" \"About 
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(4 x 9 ÷ ?) ÷ (4 x 5) x 5 = 1.8
\n" ); document.write( "(36 ÷ ?) ÷ 20 x 5 = 1.8
\n" ); document.write( "(36 ÷ ?) ÷ 20 = 1.8 ÷ 5
\n" ); document.write( "(36 ÷ ?) ÷ 20 = 0.36
\n" ); document.write( "(36 ÷ ?) = 0.36 x 20
\n" ); document.write( "36 ÷ ? = 7.2
\n" ); document.write( "? = 36 ÷ 7.2 = 5
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