My Math Forum How To Determine Dollar Generated Question

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 October 11th, 2009, 07:46 AM #1 Newbie   Joined: Mar 2009 Posts: 13 Thanks: 0 How To Determine Dollar Generated Question Hi, i have been given few questions to do, most of which uses graphs and pie charts. This particular question is showing 2 pie charts but requires the user to look at the first 1. Since i can't draw it here, i'll give it to you in number form as best i can(pie chart 1). YEAR 1 (MILLION \$) CONSULTANCY = 0.6 BRANDING = 1.1 ADVERTISING = 1.8 PUBLIC RELATIONS = 0.5 Question: In Year 1, for every dollar generated by Consultancy, how many dollars did Advertising generate? A) 2 B) 2 1/2 C) 3 D) 3 1/2 E) Cannot say Now, after reading this question i decided to add the figures together which gives me a total of 4.0. I then multiplied this with 0.6 giving me 2.4, and again with 1.8 giving me 7.2. With those two values, i subtracted them and got 4.8 which is clearly wrong, but i tried. Can somebody tell me what is the best way to solve this please.
 October 11th, 2009, 09:33 AM #2 Senior Member   Joined: Mar 2007 Posts: 428 Thanks: 0 Re: How To Determine Dollar Generated Question 0.6:1.8 = 1: x ...?
 October 11th, 2009, 10:05 AM #3 Newbie   Joined: Mar 2009 Posts: 13 Thanks: 0 Re: How To Determine Dollar Generated Question 0.6:1.8 = 1: x 2 = 3, is that right? If my memory serves correctly, the : symbol is ratio correct? Which has something to do with finding the difference from two numbers.
 October 11th, 2009, 05:27 PM #4 Global Moderator   Joined: Dec 2006 Posts: 20,379 Thanks: 2010 Why subtract 2.4 from 7.2? The subject is ratios, so divide 7.2 by 2.4.
October 11th, 2009, 06:08 PM   #5
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Re: How To Determine Dollar Generated Question

Quote:
 Originally Posted by nvidia 0.6:1.8 = 1: x 2 = 3, is that right? If my memory serves correctly, the : symbol is ratio correct? Which has something to do with finding the difference from two numbers.
Correct. Don't try to see more into a problem than is really there. You are asked to compare two quantities, and that is done by ratio of similar parts. That's what ratio is, except that it can generally involve more than two quantities.

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