35 - 18 = 17
17/n = 20
n = 17/20 = 0.85
23, 29
file:///C:/Documents%20and%20Settings/Administrator/My%20Documents/RealNumberChart.pdffile:///C:/Documents%20and%20Settings/Administrator/My%20Documents/RealNumberChart.pdffile:///C:/Documents%20and%20Settings/Administrator/My%20Documents/RealNumberChart.pdffile:///C:/Documents%20and%20Settings/Administrator/My%20Documents/RealNumberChart.pdffile:///C:/Documents%20and%20Settings/Administrator/My%20Documents/RealNumberChart.pdffile:///C:/Documents%20and%20Settings/Administrator/My%20Documents/RealNumberChart.pdf
5Because 4*5=20and 20-5 = 15
60
5
420
The LCM is: 40
The GCF is 5.
"http://wiki.answers.com/Q/What%20is%20e-retail%20model%20and%20compare%20its%20strength%20and%20weakness%20with%20traditional%20retail" "http://wiki.answers.com/Q/What%20is%20e-retail%20model%20and%20compare%20its%20strength%20and%20weakness%20with%20traditional%20retail"
"http://wiki.answers.com/Q/What%20is%20e-retail%20model%20and%20compare%20its%20strength%20and%20weakness%20with%20traditional%20retail" "http://wiki.answers.com/Q/What%20is%20e-retail%20model%20and%20compare%20its%20strength%20and%20weakness%20with%20traditional%20retail"
10
The GCF is 4.