document.write( "Question 145188: A tree of height 4.5 m casts a shadow of 3.0 m then the height ,in metres, of a tree casting a 2.8 m shadow is \n" ); document.write( "
Algebra.Com's Answer #105854 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! You are dealing with proportions. \n" ); document.write( ". \n" ); document.write( "Let x = height of tree (in meters) \n" ); document.write( "3/4.5 = 2.8/x \n" ); document.write( "Cross multiplying we get: \n" ); document.write( "3x = (4.5)(2.8) \n" ); document.write( "3x = 12.6 \n" ); document.write( "x = 12.6/3 \n" ); document.write( "x = 4.2 meters \n" ); document.write( " \n" ); document.write( " |