document.write( "Question 268114: How many seconds does it take a car travelling 75miles per hour to travel 350.0cm?\r
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Algebra.Com's Answer #196580 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
First, forget about the numbers- the main problem here
\n" ); document.write( "is converting units.
\n" ); document.write( "given:
\n" ); document.write( "mi/hr and
\n" ); document.write( "cm
\n" ); document.write( "You are asked for time in seconds
\n" ); document.write( "You will have to use
\n" ); document.write( "distance = rate x time, and
\n" ); document.write( "time = distance /rate
\n" ); document.write( "In this problem, you are given:
\n" ); document.write( "time = cm/(mi/hr)
\n" ); document.write( "This is the same as cm x (hr/mi)
\n" ); document.write( "Now multiply by unit conversion factors:
\n" ); document.write( "cm x (hr/mi) x (1 mi/1609.344 m) x (1 m/ 100 cm) x (3600 sec/ 1 hr)
\n" ); document.write( "Note that hr cancels hr, cm cancels cm,m cancels m, and mi cancels mi
\n" ); document.write( "Now just plug in the values given, and calculate answer
\n" ); document.write( "(350 cm x 1/75 hr/mi) x (1 mi/1609.344 m) x (1 m/ 100 cm) x (3600 sec/ 1 hr)
\n" ); document.write( "\"350+%2A+%281%2F75%29%2A+%281%2F1609.344%29+%2A+%281%2F100%29+%2A+3600+=+.10439\" sec\r
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