SOLUTION: If 20 is increased to 22, the increase is what percent of the original number? (This is known as the percent change.) Round your answer to two decimal places.

Algebra ->  Percentages: Solvers, Trainers, Word Problems and pie charts -> SOLUTION: If 20 is increased to 22, the increase is what percent of the original number? (This is known as the percent change.) Round your answer to two decimal places.      Log On


   

Question 1173482: If 20 is increased to 22, the increase is what percent of the original number? (This is known as the percent change.) Round your answer to two decimal places.
Answer by ikleyn(53751) About Me  (Show Source):
You can put this solution on YOUR website!
.

    It is  %2822-20%29%2F20 = 2%2F20 = 1%2F10 = 0.1,   or  10%.    ANSWER

Solved.

-------------

On percentage,  see the lessons
    - Percentage problems
    - Percentage word problems (Type 1 problems, Finding the Part)
    - Percentage word problems (Type 2 problems, Finding the Rate)
    - Percentage word problems (Type 3 problems, Finding the Base)
    - Simple percentage problems
    - More complicated percentage problems
    - Advanced problems on percentage
    - Percentage problems on chains of discounts
    - Problems on percentage that lead to unexpected results
    - Simple interest percentage problems
    - Compounded interest percentage problems
    - OVERVIEW of lessons on percentage problems
in this site.

They are written specially for you.

Read them and become an expert in this area.

Start from the very first lesson of the list.

Consider these lessons as your textbook,  handbook,  tutorials and  (free of charge)  home teacher.