document.write( "Question 251847: A car travels at 1/2 miles per hour for 8 minutes, then 1 mph for 4 minutes, then 2 mph for 2 minutes, then 4 miles per hour for 1 minute, and so forth: stopping after traveling 128 miles per hour for 1/32 minutes.How many miles does the car travel?\r
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document.write( "a) .56 b) .58 c) .6 d) .62 e) none of these \n" );
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Algebra.Com's Answer #183548 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! A car travels at 1/2 miles per hour for 8 minutes, then 1 mph for 4 minutes, \n" ); document.write( " then 2 mph for 2 minutes, then 4 miles per hour for 1 minute, and so forth: \n" ); document.write( "stopping after traveling 128 miles per hour for 1/32 minutes. \n" ); document.write( "How many miles does the car travel? \n" ); document.write( ": \n" ); document.write( "Interesting that at each stage, the car travels the same distance; 1/15 of a mile \n" ); document.write( "Converting minutes to hours: \n" ); document.write( ".5(8/60) = (4/60) = (1/15)mi \n" ); document.write( "1(4/60) = (1/15)mi \n" ); document.write( "The last one \n" ); document.write( "128(1/32)*(1/60) = (128/1920) = (1/15) mi \n" ); document.write( ": \n" ); document.write( "Total of all 9 stages \n" ); document.write( "9(1/15) = .6 mi \n" ); document.write( " |