SOLUTION: When 12% of a number is divided by 15% of that number the result is 0.8 find the number.

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: When 12% of a number is divided by 15% of that number the result is 0.8 find the number.      Log On


   

Question 30842: When 12% of a number is divided by 15% of that number the result is 0.8 find the number.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
n = the number
%28.12+%2A+n%29+%2F+%28.15+%2A+n%29+=+.8
Divide numerator and denominator by n
I am left with
.12+%2F+.15+=+.8
do the division
4%2F5+=+.8
This true for all values of n except 0
n can be any real number including fractions