Percent Mixture #5 - 2 variables

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Solves this Percent Mixture word problem using two variables: Mary has some 1% fat milk and 4% fat milk and wants to make 15 cups of 2% fat milk by mixing them together. How many cups of each type should she use? Youtube videos by Julie Harland are organized at http://YourMathGal.com

percentmix5-2var.mp4<br />For more great math videos visit: www.youtube.com/user/videosbyjulieharland/videos