SOLUTION: If 20 is increased to 21.4, find the percent increase. Percent increase = ____%

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Question 1083457: If 20 is increased to 21.4, find the percent increase.
Percent increase = ____%
Answer by ikleyn(52852) About Me  (Show Source):
You can put this solution on YOUR website!
.
= %28%2821.4-20%29%2F20%29%2A100.

Use your calculator.


Notice that I used the multiplier 100. It is to convert the fraction to percentage !


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There is a bunch of lessons on percentage problems
    - 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)
    - More complicated percentage problems
    - Problems on percentage that lead to unexpected results
in this site.