document.write( "Question 1136516: A building contractor buys 90% of his cement from supplier A and 10% from supplier B. A total of 70% of the bags from A arrive undamaged, and a total of 75% of the bags from B arrive undamaged.
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Algebra.Com's Answer #754280 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "P =  = 0.0847 = 8.47%.    ANSWER\r\n" );
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document.write( "My formula is SELF-EXPLANATORY.\r\n" );
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document.write( "If you have questions about it - look in it attentively, and it will tell you everything about itself.\r\n" );
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\n" ); document.write( "\n" ); document.write( "To see other similar solved problems, look into the lesson\r
\n" ); document.write( "\n" ); document.write( " - Advanced probability problems from the archive \r
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