document.write( "Question 1130543: Mary mixes white paint and blue paint in the ratio 2:3.
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document.write( "She makes a total of 20 litres of paint.
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document.write( "How much more blue paint does she need to add to the mixture so that the ratio of white paint to blue paint becomes 1:7? \n" );
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Algebra.Com's Answer #747200 by ikleyn(52798)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "20 liters of paint consist of 2+3 = 5 equal parts; so each part is 4 liters; hence, white paint is 8 liters (and blue paint is 12 liters).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "To get the final ratio white to blue as 1:7, Mary must have 7*8 = 56 liters of the blue paint - so she need to add 56-12 = 44 liters.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Answer. 44 liters of the blue paint to add.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |