document.write( "Question 972647: If a photo is 4cm by 6 cm and you which to enlarged it 150%. What would be the new length and width?\r
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document.write( "Suppose you use 2cm by 3 cm copy of the original 4cm by 6cm. What percent should you use? \n" );
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Algebra.Com's Answer #595275 by Theo(13342)![]() ![]() You can put this solution on YOUR website! if you start with a 4 by 6 and you want to increase the dimensions by 150%, then you would multiply each of the dimensions by 1.5. \n" ); document.write( "4*1.5 = 6 \n" ); document.write( "6*1.5 = 9 \n" ); document.write( "your new dimensions are 6 by 9. \n" ); document.write( "the original dimensions are increased to 150% of what they were.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "if you start with 4 by 6 and you want to decrease the dimensions to 2 by 3, then you would multiply each of the dimensions by .5. \n" ); document.write( "4*.5 = 2 \n" ); document.write( "6*.5 = 3 \n" ); document.write( "your new dimensions are 2 by 3. \n" ); document.write( "the original dimensions are reduced to 50% of what they were.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "note that you are increasing or decreasing the dimensions. \n" ); document.write( "the area will be increased or decreased by the square of this.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "your original is 4 by 6. \n" ); document.write( "your new is 6 by 9. \n" ); document.write( "the dimensions of the 6 by 9 are 150% of the dimensions of the 4 by 6. \n" ); document.write( "the area of the 6 by 9 is 54 and the area of the 4 by 6 is 24 \n" ); document.write( "54/24 = 2.25. \n" ); document.write( "the area has been increased to 225% of its original size. \n" ); document.write( "take 150% and square it and you get 1.5^2 = 2.25 = 225% \n" ); document.write( "you have to convert the percent to a decimal equivalent before squaring it. \n" ); document.write( "150% decimal equivalent is 150/100 = 1.5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "your original is 4 by 6 \n" ); document.write( "your new is 2 by 3. \n" ); document.write( "the dimensions of the 2 by 3 are 50% of the dimensionf of the 4 by 6. \n" ); document.write( "the area of the 2 by 3 is 6 and the area of the 4 by 6 is 24. \n" ); document.write( "6/24 = .25. \n" ); document.write( "the area has been decreased to 25% of its original size. \n" ); document.write( "take 50% and square it and you get .5^2 = .25 = 25%. \n" ); document.write( "you have to convert the percent to a decimal equivalent before squaring it. \n" ); document.write( "50% decimal equivalent is 50/100 = .5\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |