document.write( "Question 541111: convert 90 feet traveled in one second into mph \n" ); document.write( "
Algebra.Com's Answer #354056 by oberobic(2304)\"\" \"About 
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90 ft/sec * 60 sec/min * 60 min/hr = 90*60*60 ft/hr = 324000 ft/hr
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\n" ); document.write( "324000 ft/hr / 5280 ft/mi = 61.3637 mi/hr
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