document.write( "Question 770581: A certain mixture is made by mixing two ingredients in the ratio 7 to 3. If it is required to make 40 pounds of mixture, how much of each ingredient will be needed.
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Algebra.Com's Answer #469596 by josgarithmetic(39618)\"\" \"About 
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The 40 pounds mixture is understood as 7+3=10 parts. Each part from the contributions of the ratio is then 4 pounds. The \"7\" ingredient is 7*4=28 parts, and the \"3\" ingredient is 3*4=12 parts, of the mixture. \n" ); document.write( "
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