Question

find the percent of increase. round to the nearest tenth, if necessary.

from 45 m to 54 m

a. 500% increase c. 20% increase
b. 16.7% d. 83.3%

Answer 1

Let the percent increase be = x%
Thus 54 is 45 + x% of 45 [Because it is increasing by that percent]

So\[\frac{x}{100} * 45 + 45 = 54\]

Answer 2

Now can you try it? :)

Answer 3

\[\frac{ 54-45 }{45 }*100=?\]

Answer 4

-46?

Answer 5

no

Answer 6

That maybe the answer but does that seem logical to you? :D

Answer 7

oops wait, would it be 20

Answer 8

Can -46 be an INCREASE? :D

Answer 9

Yes, correct. :D

Answer 10

sorry, my calculator went wacko

Answer 11

so the answer is 20? .-. :o

Answer 12

Yes. Did you understand the concept though?

Answer 13

yes, thank you so much :) it will definitely help me out with the other questions that are like this one now. I was having trouble with these types of questions so i posted an example. Thanks again! :D

Answer 14

You're welcome. And also Welcome to OpenStudy. :)

Answer 15

Thanks :D