SOLUTION: Problem: a number is decreased by 25% to 180. What is the original amount? I tried multiplying 25% by 180 and I got 45, but I think the number should be bigger than 180. Pleas

Algebra ->  Percentages: Solvers, Trainers, Word Problems and pie charts -> SOLUTION: Problem: a number is decreased by 25% to 180. What is the original amount? I tried multiplying 25% by 180 and I got 45, but I think the number should be bigger than 180. Pleas      Log On


   

Question 828166: Problem: a number is decreased by 25% to 180. What is the original amount?
I tried multiplying 25% by 180 and I got 45, but I think the number should be bigger than 180.
Please explain. Thank you!!!
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Don't over think it.
Just say the number is +n+
The problem says:
+n+-+.25n++=+180+
+.75n+=+180+
+n=+180%2F.75+
+n+=+240+ is the original amount