
Elementary Math Fractions, Percentages, Word Problems, Equations, Inequations, Factorization, Expansion 
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April 27th, 2018, 10:07 AM  #1 
Newbie Joined: Feb 2018 From: California Posts: 7 Thanks: 1  "Percentage Greater Than...."
The wording of this problem is confusing me with the "percentage greater than"....Can you please help me figure it out? "In a parking garage, the number of SUV's is 40% greater than the number of nonSUV's. Lisa counted 98 SUV's in the garage. How many vehicles are in the garage?" So is it correct that # of SUV's = 1.4 x # of nonSUV's? The words confuse me. But that is how I understand it, which would mean that 98 = 1.4n n = 70, so 98 + 70 = 168 total cars Is this correct? Similarly, I am thrown off by this wording: "An animal shelter houses only cats and dogs and there are 25% more cats than dogs. If there are 40 cats, how many dogs are there and how many total animals?" Is it accurate that c = 1.25d, so d = 30? I guess I get thrown off because if these are right (c=40, d=30), then if we look at the percentages of the total (40/70 = 57% and 30/70 = 43%, and the difference between those two percentages is not 25%. So is something wrong or is that not a right way to test the answer? Thank you! 
April 27th, 2018, 10:40 AM  #2 
Global Moderator Joined: Dec 2006 Posts: 18,962 Thanks: 1606  
April 27th, 2018, 01:06 PM  #3 
Newbie Joined: Feb 2018 From: California Posts: 7 Thanks: 1 
OK, thank you. So am I misunderstanding how to test that I did the question right?.... If there are 72 total animals and 40 are cats and 32 are dogs....then 40/72 = 56% and 32/72 = 44%, but this doesn't reflect that there are 25% more cats than dogs. Wouldn't 0.44+0.25 have to equal 0.56 for that?

April 27th, 2018, 01:25 PM  #4 
Global Moderator Joined: Dec 2006 Posts: 18,962 Thanks: 1606 
As 40/32 = 1.25, 40 is 25% more than 32.

April 28th, 2018, 07:20 AM  #5 
Math Team Joined: Jan 2015 From: Alabama Posts: 3,165 Thanks: 867 
"25% more cats than dogs" means that the number of cats, c, is 1.25 times the number of dogs, d: c= 1.25d. We are told that there are 40 cats so c= 40= 1.25 d. Divide both sides by 1.25= 5/4, which is the same as multiplying both sides by 4/5, to determine the number of dogs.


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