document.write( "Question 793305: Andy is building a model train. The real train has a wheel diameter of 33 inches, a length of 20 feet, a width of 10 feet, and a height of 12 feet. If his model has a wheel diameter of 3 inches, what does the length need to be? \n" ); document.write( "
Algebra.Com's Answer #480302 by Cromlix(4381) You can put this solution on YOUR website! Actual wheel diameter: Model wheel diameter \n" ); document.write( "33 inches : 3 inches \n" ); document.write( "11 : 1 \n" ); document.write( "Therefore: \n" ); document.write( "Actual length : Model length \n" ); document.write( "240 inches : 21.81 inches \n" ); document.write( "You are dividing the actual dimension \n" ); document.write( "by 11, after you convert both to the same units \n" ); document.write( "namely, inches. \n" ); document.write( "Hope this helps. \n" ); document.write( ":-) \n" ); document.write( " |