document.write( "Question 1198850: 20 litres of milk are drawn from a churn containing 80 litres. If each of these measurements is liable to a 10% error, calculate the limits within which the remaining quantity lies. \n" ); document.write( "
Algebra.Com's Answer #832542 by ikleyn(52784)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "The lover limit is 80*(1-0.1) - 20*(1+0.1).\r
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\n" ); document.write( "\n" ); document.write( "The upper limit is 80*(1+0.1) - 20*(1-0.1).\r
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\n" ); document.write( "\n" ); document.write( "To get the numbers, use your calculator.\r
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\n" ); document.write( "\n" ); document.write( "The formulas itself are self-explanatory.\r
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