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March 6th, 2014, 06:01 PM  #1 
Newbie Joined: Mar 2014 Posts: 1 Thanks: 0  Urgent Problem...
Hi there, nice forum here. Great to see other people helping out with math problems. We have a farm and half a calf in need, and we need to mix up a solution for it, but we can't figure out how much. It says to mix Bag A (4.34 lbs) into Bag B (50 lbs). There's 2 problems. Nobody in their right mind would mix that much at one time, and we only have a 25 pound bag, which is also way too much for one time. We have a bottle that hold 64 oz, or 4 pints. How much would we need from bag a and bag b to do that? Here is a link to what the bag says exactly, if it is any help: http://www.savacaf.com/assets/products/ ... dfFile.pdf < It is on the second page at the top under mixing directions. I'm sorry if I'm jumping around, not making sense, not really sure how to put it in any simpler terms. 
March 6th, 2014, 06:21 PM  #2 
Math Team Joined: Dec 2013 From: Colombia Posts: 7,693 Thanks: 2677 Math Focus: Mainly analysis and algebra  Re: Urgent Problem...
You'd need to know the density to answer that. For a practical solution, I'd weigh out 50 grammes of the second one and 4.3 grammes of the first using kitchen scales and then put them in your bottle. Repeat until the bottle is almost full (or you have as much as you think you need). 
March 6th, 2014, 06:37 PM  #3 
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,968 Thanks: 1152 Math Focus: Elementary mathematics and beyond  Re: Urgent Problem...
You want ten ounces (by weight) of the mix to go with your 2 quart bottle. 4.34/50 = 0.0868, so you want about 9 ounces of dry, nonmedicated calf milk replacer powder and about 1 ounce of Scours and Pneumonia Concentrate powder to mix with 2 quarts of warm water.

March 6th, 2014, 06:46 PM  #4  
Math Team Joined: Dec 2013 From: Colombia Posts: 7,693 Thanks: 2677 Math Focus: Mainly analysis and algebra  Re: Urgent Problem...
I've just been looking at those instructions: Quote:
Each feed is 2 quarts of the solution per 100lbs of calf body weight. I have no idea how much that would be (and it'll presumably gain weight over the week). Ask.com says 70100 pounds. So it seems reasonable to suggest that you'll need at least 14 feeds of 2 quarts each. That's 28 quarts. Every 2 quarts is made using 10lbs of the mixed powder. So thats (10lbs) * (28 quarts)/(2 quarts) = 140lbs of powder. And every 54.34lbs of mixed powder contains 50lbs of one and 4.34lbs of the other. So 140lbs of powder is 129lbs of one and 11lbs of the other. That should last about a week. You can presumably mix the powder now, store it and then mix it into water (10lbs per 100lbs of bodyweight at a time) at feeding time.  

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