SOLUTION: If 210 is 70% of people what is 100%

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: If 210 is 70% of people what is 100%      Log On


   

Question 1098429: If 210 is 70% of people what is 100%
Found 2 solutions by ikleyn, Alan3354:
Answer by ikleyn(52834) About Me  (Show Source):
You can put this solution on YOUR website!
.
70% is exactly 0.7.


Therefore, your condition says:  0.7x = 210.


Then x = 210%2F0.7 = 300.


----------------
Specially for you, 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.


Read them and become an expert in this area.
Start with the lesson (*), then continue with the lesson (**).



Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If 210 is 70% of people what is 100%
---------
Do it "in your head."
210 = 70%
21 = 7%
3 = 1%
3*100 = 300