document.write( "Question 1003612: 1. A cookie recipe calls for 1 7/8 of flour and 1 1/4 of sugar. A girl has plenty of flour but only 2 1/8 of sugar. How much flour should she use with the 2 1/8 cups for sugar to keep the indegredients in proportion? \n" ); document.write( "
Algebra.Com's Answer #620290 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 1. A cookie recipe calls for 1 7/8 of flour and 1 1/4 of sugar. A girl has plenty of flour but only 2 1/8 of sugar. How much flour should she use with the 2 1/8 cups for sugar to keep the indegredients in proportion? \n" ); document.write( "---- \n" ); document.write( "Use a proportion: \n" ); document.write( "flour/sugar = flour/sugar \n" ); document.write( "------ \n" ); document.write( "f/(2 1/8) = (1 7/8)/(1 1/4) \n" ); document.write( "-------- \n" ); document.write( "f/(17/8) = [15/8 / 5/4] \n" ); document.write( "------ \n" ); document.write( "f/(17/8) = 15/10 \n" ); document.write( "------ \n" ); document.write( "f/(17/8) = 3/2 \n" ); document.write( "------ \n" ); document.write( "f = (17/8)(3/2) \n" ); document.write( "----- \n" ); document.write( "flour = 51/16 = 3.1876 cups \n" ); document.write( "---------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------ \n" ); document.write( " |