My Math Forum math question (ratio)

 Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion

 November 25th, 2016, 02:08 PM #1 Member   Joined: Nov 2016 From: United States Posts: 30 Thanks: 0 math question (ratio) can someone help me out with this: a bourbon press is 1 part bourbon, 2 parts club soda, 3 parts ginger ale. How many oz of each ingredient should you mix together to make a batch that will serve a 10 oz drink for 20 people?
 November 25th, 2016, 02:15 PM #2 Math Team     Joined: Jul 2011 From: Texas Posts: 3,044 Thanks: 1627 200 oz divided by 6 total parts is 33 and 1/3 oz per part ... 33 and 1/3 oz of bourbon 66 and 2/3 oz of soda 100 oz of ginger ale Thanks from tongass
 November 25th, 2016, 02:19 PM #3 Member   Joined: Nov 2016 From: United States Posts: 30 Thanks: 0 Thank you! Do you have time for another question?
 November 25th, 2016, 02:23 PM #4 Member   Joined: Nov 2016 From: United States Posts: 30 Thanks: 0 A recipe for fish chowder makes 150 portions, each 6 fluid oz. The recipe calls for 25 pounds of cod fillets. You will be serving 40 servings, 8 fluid oz each. What quantity of cleaned cod fillets will you need?
 November 25th, 2016, 02:28 PM #5 Math Team     Joined: Jul 2011 From: Texas Posts: 3,044 Thanks: 1627 25 lbs makes 900 fluid oz x lbs makes 320 fluid oz equate the ratios & solve for x Thanks from tongass
 November 25th, 2016, 02:44 PM #6 Member   Joined: Nov 2016 From: United States Posts: 30 Thanks: 0 320 divided by 25 equals 12 pounds, is that the correct answer?
November 25th, 2016, 04:18 PM   #7
Math Team

Joined: Jul 2011
From: Texas

Posts: 3,044
Thanks: 1627

Quote:
 Originally Posted by tongass 320 divided by 25 equals 12 pounds, is that the correct answer?
No.

$\dfrac{x}{320}=\dfrac{25}{900}$

solve for x

 November 25th, 2016, 04:28 PM #8 Member   Joined: Nov 2016 From: United States Posts: 30 Thanks: 0 8.88 pounds?
 November 25th, 2016, 06:03 PM #9 Global Moderator   Joined: Dec 2006 Posts: 21,036 Thanks: 2273 You might be expected to round up to 8.89 pounds or give 80/9 pounds or 8 8/9 pounds.
 November 25th, 2016, 06:19 PM #10 Member   Joined: Nov 2016 From: United States Posts: 30 Thanks: 0 Ok, thanks for the info, I really appreciate all of your help. Last edited by skipjack; November 25th, 2016 at 06:21 PM.

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