document.write( "Question 547494: When Amy rollerskates, she moves 120 yards per minute. What is her speed in miles per hour? \n" ); document.write( "
Algebra.Com's Answer #356397 by oberobic(2304)\"\" \"About 
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120 yd/min = x mi/hr
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\n" ); document.write( "120 yd/min * 60 min/hr = 7200 yd/hr
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\n" ); document.write( "5280 ft/mile / 3 ft/yd = 1760 yd/mi
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\n" ); document.write( "7200 yd/hr / 1760 yd/mile = 4.0909 mile/hr
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