max said:If a is 40% of b, then b exceeds a by what percent of a?
I think somehow the answer is 60%, but my gut tells me im wrong.
Can anyone help?
thanks
Since you've posted this to arithmetic, then you don't have the tools of algebra. So let's try to think about this in more elementary terms.max said:If a is 40% of b, then b exceeds a by what percent of a?
You followed through the steps provided earlier to find the solution, so you must not be entirely confused. :wink:max said:I am still confused in the thinking process of coming to the conclusion.
Mrspi said:max said:If a is 40% of b, then b exceeds a by what percent of a?
I think somehow the answer is 60%, but my gut tells me im wrong.
Can anyone help?
thanks
Suppose b = 100.
Then a = 40% of 100, or a = 40
Now....let's find out by how much b exceeds a:
100 - 40 = 60
What percent is 60 of 40? It isn't 60%......
max said:Also someone told me since a = 2/5b, then b = 5/2a = a + 3/2a. I have no idea how a+3/2a was formed.
That's why I gave you a solution that didn't involve algebra! :wink:max said:I'm still trying to figure why is b/a? what does that represent?