Dorothy W.

asked • 08/02/16

66 2/3% of 39

66 2/3 of 39?

Jason L.

39 * .666666666 = 26
 
You can also solve this with fractions since 66 2/3 = 2/3.
 
39*(2/3) = 13*2 = 26
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08/02/16

Kenneth S.

You should, in my opinion, immediatelly recognize that 66 2/3 % of  means "two thirds of..."
 
It's extremelly advantageous to learn the decimal equivalents of 1/3, 1/4, 1/5, 1/6, 1/8, and many multiples of them--which we did when I was in grade 7 in California when Earl Warren was the Governor (way way pre-calculator era).
 
Then two thirds of 39 is easy because obviously one third of 39 is 13, so your answer is just 26.  This kind "numerical literacy" will make you a quicked worker--it really pays off in school (tests & homework) and in real life after school.
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08/02/16

Kenneth S.

Speaking of literacy, I notice that I proofread poorly--some double Ls occurred because of finger-dragging on keyboard; sorry!
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08/02/16

2 Answers By Expert Tutors

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Adam S. answered • 08/02/16

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1) Convert the number to one fraction:
66 2/3 = 66 * (3/3) + 2/3 = 198/3 + 2/3 = 200/3.

2) Convert percentage to actual fraction by dividing by 100:
(200/3)/100 = 200/300 = 2/3.

3)Calculate fraction of number: (2/3) * 39 = 26

This makes sense as 2/3 = 0.6666666 * 100 = 66.666666 = 66 2/3%
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