Question 1051788
Michelle is making hamburger, using 5lbs of ground beef that is 15% fat and 7lbs of ground beef that is 3% fat. What is total percentage of the fat in the mixture?
<pre>Amount of fat in 5 lb mixture: 5 * .15 = .75 lbs
Amount of fat in 7 lb mixture: 7 * .03 = .21 lbs
Total fat in 12 lb mixture: .75 lbs + .21 lbs = .96 lbs
Total mixture: 12 lbs
Total percentage in final mixture: {{{highlight_green(matrix(1,3, .96/12 = .08, or, 8))}}}