Math
posted by Sarah .
21 is (66 and 2/3)% of what number?
I believe the answer is 14.
is it right?

Math 
Ms. Sue
No. 14 is 66 2/3 of 21
0.666667x = 21
Your answer will be more than 21. 
Math 
Sarah
this is confusing :(
this is how I am solving.
66 2/3 12
 = 
100 W
so i mulitiplyed 100x12= 2100.
and from here I don't know how to insert 66 2/3 into calculator.
2100 divided by 66.667?
the choice to answers are
14, 3.17, 315 and 31.5
I know for sure that 14 is not the answer. i get different answers everything i play with that 2/3. please help 
Math 
Reiny
66 2/3% = 200/300 = 2/3
so just like Ms Sue stated ...
(2/3)x = 21
times 3
2x = 63
divide by 2
x = 31.5
Where did you get the 12 from in your solution?
(dyslexia) ??
had your ratio been:
(66 2/3) / 100 = 21/w
it would have worked:
(200/3) / 100 = 21/w
(200/3)w = 100(21)
(200/3)w = 2100
times 3
200w = 6300
w = 6300/200 = 31.5 
Math 
Ms. Sue
0.666667x = 21
x = 21/0.666667
x = 31.5 
Math 
Sarah
oh, okay.
now I get it. thanks!!! 
Math 
Ms. Sue
You're welcome.
I'm glad you've got it. :)
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