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February 28, 2015

February 28, 2015

Posted by **Tiffany T** on Monday, December 14, 2009 at 5:21pm.

7/10 of the U.S. population (175,104,000)in 1991 believed saying A to be true. What is the total population? We are trying to find what the whole population total is. They have given us 7/10 or 1755,104,00. How do we get the whole? Thanks.

- Fifth Grade Math -
**Ms. Sue**, Monday, December 14, 2009 at 5:28pm7/10 times an unknown number can be written as (7/10)x

(7/10)x = 175,104,000

Divide 175,104,000 by 7/10

175,104,000 / 7/10 = 175,104,000 * 10/7

1,751,040,000 / 7 = 250,148,571

- Fifth Grade Math -
**Writeacher**, Monday, December 14, 2009 at 5:31pmYou can set up a ratio and cross-multiply:

http://www.worldplenty.com/rat.htm

7/10 = 175104000/x

Cross-multiply and solve for x.

- Fifth Grade Math -
**Omglol**, Wednesday, November 9, 2011 at 5:13pmIDK EVEN HAVE A CLUE!!! I AM ALSO A FIFTH GRADER AND I LOOKED ONLINE TO SEE THE ANSWER AND THATS HOW I GOT HERE!!

- Fifth Grade Math -
**Mama**, Monday, September 17, 2012 at 10:14pmThank you! I was leading my child on another route! I still don't get it but shucks, she was closer to it than me. She was gonna multiply instead of divide. Ugh!

- Fifth Grade Math -
**Kiki**, Tuesday, October 30, 2012 at 7:06pmThis is soooo helpful I had no idea how to do this

- are you ms. sue teacher in texas -
**Anonymous**, Tuesday, October 8, 2013 at 10:28pmare you ms. sue teacher in texas

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