SOLUTION: Directions: Write a proportion that can be used to solve each of the following percent problems. Use the proportion to solve the problem. Problem: What is 30% of 40? Please c

Algebra ->  Equations -> SOLUTION: Directions: Write a proportion that can be used to solve each of the following percent problems. Use the proportion to solve the problem. Problem: What is 30% of 40? Please c      Log On


   



Question 952976: Directions: Write a proportion that can be used to solve each of the following percent problems. Use the proportion to solve the problem.
Problem: What is 30% of 40?
Please completely work out and double check Thank You!

Answer by EdenWolf(517) About Me  (Show Source):
You can put this solution on YOUR website!
Set up the proportion like this:
x%2F40=30%2F100
Cross multiply 30 and 40 to get 1200. Now divide that by 100 to get 12.
Thus, 30% of 40 is 12. Hope I helped!